90556130 has 16 divisors (see below), whose sum is σ = 186287040. Its totient is φ = 31047792.

The previous prime is 90556121. The next prime is 90556139. The reversal of 90556130 is 3165509.

It is an interprime number because it is at equal distance from previous prime (90556121) and next prime (90556139).

It is a junction number, because it is equal to n+sod(n) for n = 90556093 and 90556102.

It is not an unprimeable number, because it can be changed into a prime (90556139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646760 + ... + 646899.

It is an arithmetic number, because the mean of its divisors is an integer number (11642940).

Almost surely, 2^90556130 is an apocalyptic number.

90556130 is an abundant number, since it is smaller than the sum of its proper divisors (95730910).

90556130 is a wasteful number, since it uses less digits than its factorization.

90556130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293673.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 90556130 is about 9516.0984652325. The cubic root of 90556130 is about 449.0616330987.

The spelling of 90556130 in words is "ninety million, five hundred fifty-six thousand, one hundred thirty".