30955955 has 16 divisors (see below), whose sum is σ = 37787904. Its totient is φ = 24342240.

The previous prime is 30955937. The next prime is 30955961. The reversal of 30955955 is 55955903.

It is a de Polignac number, because none of the positive numbers 2^k-30955955 is a prime.

It is a super-2 number, since 2×30955955² = 1916542299924050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109244 + ... + 109526.

It is an arithmetic number, because the mean of its divisors is an integer number (2361744).

Almost surely, 2^30955955 is an apocalyptic number.

30955955 is a deficient number, since it is larger than the sum of its proper divisors (6831949).

30955955 is a wasteful number, since it uses less digits than its factorization.

30955955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 151875, while the sum is 41.

The square root of 30955955 is about 5563.8075991177. The cubic root of 30955955 is about 313.9892182594.

The spelling of 30955955 in words is "thirty million, nine hundred fifty-five thousand, nine hundred fifty-five".