57019146 has 32 divisors (see below), whose sum is σ = 118326528. Its totient is φ = 18302400.

The previous prime is 57019141. The next prime is 57019147. The reversal of 57019146 is 64191075.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57019141) by changing a digit.

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, 21151 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (3697704).

Almost surely, 2^57019146 is an apocalyptic number.

57019146 is an abundant number, since it is smaller than the sum of its proper divisors (61307382).

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

57019146 is a wasteful number, since it uses less digits than its factorization.

57019146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 57019146 is about 7551.1023036375. The cubic root of 57019146 is about 384.8931980132.

The spelling of 57019146 in words is "fifty-seven million, nineteen thousand, one hundred forty-six".