57353730 has 32 divisors (see below), whose sum is σ = 157313664. Its totient is φ = 13109376.

The previous prime is 57353719. The next prime is 57353753. The reversal of 57353730 is 3735375.

It is a junction number, because it is equal to n+sod(n) for n = 57353691 and 57353700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136347 + ... + 136766.

It is an arithmetic number, because the mean of its divisors is an integer number (4916052).

Almost surely, 2^57353730 is an apocalyptic number.

57353730 is an abundant number, since it is smaller than the sum of its proper divisors (99959934).

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

57353730 is a wasteful number, since it uses less digits than its factorization.

57353730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273130.

The product of its (nonzero) digits is 33075, while the sum is 33.

The square root of 57353730 is about 7573.2245444064. The cubic root of 57353730 is about 385.6445715668.

The spelling of 57353730 in words is "fifty-seven million, three hundred fifty-three thousand, seven hundred thirty".