57070550 has 24 divisors (see below), whose sum is σ = 109814400. Its totient is φ = 22040480.

The previous prime is 57070511. The next prime is 57070553. The reversal of 57070550 is 5507075.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57070553) 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, 18230 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (4575600).

Almost surely, 2^57070550 is an apocalyptic number.

57070550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57070550 is a deficient number, since it is larger than the sum of its proper divisors (52743850).

57070550 is a wasteful number, since it uses less digits than its factorization.

57070550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39400 (or 39395 counting only the distinct ones).

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 57070550 is about 7554.5052783091. The cubic root of 57070550 is about 385.0088264688.

The spelling of 57070550 in words is "fifty-seven million, seventy thousand, five hundred fifty".