30555255550 has 24 divisors (see below), whose sum is σ = 57083161176. Its totient is φ = 12168255840.

The previous prime is 30555255527. The next prime is 30555255551. The reversal of 30555255550 is 5555255503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555255551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334697 + ... + 1357396.

It is an arithmetic number, because the mean of its divisors is an integer number (2378465049).

Almost surely, 2^30555255550 is an apocalyptic number.

30555255550 is a deficient number, since it is larger than the sum of its proper divisors (26527905626).

30555255550 is a wasteful number, since it uses less digits than its factorization.

30555255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692332 (or 2692327 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 30555255550 in words is "thirty billion, five hundred fifty-five million, two hundred fifty-five thousand, five hundred fifty".