90056049 has 16 divisors (see below), whose sum is σ = 127249920. Its totient is φ = 56551040.

The previous prime is 90056003. The next prime is 90056051. The reversal of 90056049 is 94065009.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90056049 - 2⁷ = 90055921 is a prime.

It is a super-2 number, since 2×90056049² = 16220183922980802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90056059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9057 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (7953120).

Almost surely, 2^90056049 is an apocalyptic number.

It is an amenable number.

90056049 is a deficient number, since it is larger than the sum of its proper divisors (37193871).

90056049 is a wasteful number, since it uses less digits than its factorization.

90056049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 90056049 is about 9489.7865624049. The cubic root of 90056049 is about 448.2334843338.

The spelling of 90056049 in words is "ninety million, fifty-six thousand, forty-nine".