90000052 has 12 divisors (see below), whose sum is σ = 158195520. Its totient is φ = 44801336.

The previous prime is 90000049. The next prime is 90000059. The reversal of 90000052 is 25000009.

It is a junction number, because it is equal to n+sod(n) for n = 89999990 and 90000035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90000059) 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, 48652 + ... + 50467.

It is an arithmetic number, because the mean of its divisors is an integer number (13182960).

Almost surely, 2^90000052 is an apocalyptic number.

It is an amenable number.

90000052 is a deficient number, since it is larger than the sum of its proper divisors (68195468).

90000052 is a wasteful number, since it uses less digits than its factorization.

90000052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99350 (or 99348 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 90000052 is about 9486.8357211454. The cubic root of 90000052 is about 448.1405609642.

The spelling of 90000052 in words is "ninety million, fifty-two", and thus it is an aban number and an uban number.