55572950 has 24 divisors (see below), whose sum is σ = 103566288. Its totient is φ = 22186080.

The previous prime is 55572947. The next prime is 55572971. The reversal of 55572950 is 5927555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41999 + ... + 43301.

It is an arithmetic number, because the mean of its divisors is an integer number (4315262).

Almost surely, 2^55572950 is an apocalyptic number.

55572950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55572950 is a deficient number, since it is larger than the sum of its proper divisors (47993338).

55572950 is a wasteful number, since it uses less digits than its factorization.

55572950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 55572950 is about 7454.7266884843. The cubic root of 55572950 is about 381.6112333655.

The spelling of 55572950 in words is "fifty-five million, five hundred seventy-two thousand, nine hundred fifty".