975055550 has 24 divisors (see below), whose sum is σ = 2072690256. Its totient is φ = 334304640.

The previous prime is 975055517. The next prime is 975055607. The reversal of 975055550 is 55550579.

It is a junction number, because it is equal to n+sod(n) for n = 975055498 and 975055507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1392587 + ... + 1393286.

It is an arithmetic number, because the mean of its divisors is an integer number (86362094).

Almost surely, 2^975055550 is an apocalyptic number.

975055550 is an abundant number, since it is smaller than the sum of its proper divisors (1097634706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

975055550 is a wasteful number, since it uses less digits than its factorization.

975055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785892 (or 2785887 counting only the distinct ones).

The product of its (nonzero) digits is 196875, while the sum is 41.

The square root of 975055550 is about 31225.8794912169. The cubic root of 975055550 is about 991.6150728362.

The spelling of 975055550 in words is "nine hundred seventy-five million, fifty-five thousand, five hundred fifty".