51313702 has 16 divisors (see below), whose sum is σ = 86864400. Its totient is φ = 22519840.

The previous prime is 51313697. The next prime is 51313721. The reversal of 51313702 is 20731315.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39577 + ... + 40852.

It is an arithmetic number, because the mean of its divisors is an integer number (5429025).

Almost surely, 2^51313702 is an apocalyptic number.

51313702 is a deficient number, since it is larger than the sum of its proper divisors (35550698).

51313702 is a wasteful number, since it uses less digits than its factorization.

51313702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80471.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 51313702 is about 7163.3582906344. The cubic root of 51313702 is about 371.6017773887.

The spelling of 51313702 in words is "fifty-one million, three hundred thirteen thousand, seven hundred two".