57473250 has 32 divisors (see below), whose sum is σ = 143455104. Its totient is φ = 15326000.

The previous prime is 57473197. The next prime is 57473261. The reversal of 57473250 is 5237475.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 37566 + ... + 39065.

It is an arithmetic number, because the mean of its divisors is an integer number (4482972).

Almost surely, 2^57473250 is an apocalyptic number.

57473250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57473250 is an abundant number, since it is smaller than the sum of its proper divisors (85981854).

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

57473250 is a wasteful number, since it uses less digits than its factorization.

57473250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76651 (or 76641 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57473250 is about 7581.1113960949. Note that the first 3 decimals coincide. The cubic root of 57473250 is about 385.9122685347.

The spelling of 57473250 in words is "fifty-seven million, four hundred seventy-three thousand, two hundred fifty".