57250550 has 24 divisors (see below), whose sum is σ = 121699056. Its totient is φ = 19628640.

The previous prime is 57250549. The next prime is 57250573. The reversal of 57250550 is 5505275.

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, 81437 + ... + 82136.

It is an arithmetic number, because the mean of its divisors is an integer number (5070794).

Almost surely, 2^57250550 is an apocalyptic number.

57250550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57250550 is an abundant number, since it is smaller than the sum of its proper divisors (64448506).

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

57250550 is a wasteful number, since it uses less digits than its factorization.

57250550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163592 (or 163587 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 57250550 is about 7566.4093201465. The cubic root of 57250550 is about 385.4131731199.

The spelling of 57250550 in words is "fifty-seven million, two hundred fifty thousand, five hundred fifty".