51476652 has 18 divisors (see below), whose sum is σ = 130121628. Its totient is φ = 17158872.

The previous prime is 51476627. The next prime is 51476699. The reversal of 51476652 is 25667415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×51476652² = 5299691402258208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1429907 = 51476652 / (5 + 1 + 4 + 7 + 6 + 6 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714918 + ... + 714989.

Almost surely, 2^51476652 is an apocalyptic number.

It is an amenable number.

51476652 is an abundant number, since it is smaller than the sum of its proper divisors (78644976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51476652 is a wasteful number, since it uses less digits than its factorization.

51476652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429917 (or 1429912 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 51476652 is about 7174.7231305466. The cubic root of 51476652 is about 371.9947102959.

The spelling of 51476652 in words is "fifty-one million, four hundred seventy-six thousand, six hundred fifty-two".