90510052 has 12 divisors (see below), whose sum is σ = 159214636. Its totient is φ = 45020160.

The previous prime is 90510041. The next prime is 90510059. The reversal of 90510052 is 25001509.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 76492516 = 3744^2 + 8746^2 .

It is not an unprimeable number, because it can be changed into a prime (90510059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57849 + ... + 59392.

Almost surely, 2^90510052 is an apocalyptic number.

It is an amenable number.

90510052 is a deficient number, since it is larger than the sum of its proper divisors (68704584).

90510052 is a wasteful number, since it uses less digits than its factorization.

90510052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117438 (or 117436 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 90510052 is about 9513.6771019412. The cubic root of 90510052 is about 448.9854542967.

The spelling of 90510052 in words is "ninety million, five hundred ten thousand, fifty-two".