57043442 has 16 divisors (see below), whose sum is σ = 87436800. Its totient is φ = 27902640.

The previous prime is 57043439. The next prime is 57043457. The reversal of 57043442 is 24434075.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25967 + ... + 28077.

It is an arithmetic number, because the mean of its divisors is an integer number (5464800).

Almost surely, 2^57043442 is an apocalyptic number.

57043442 is a deficient number, since it is larger than the sum of its proper divisors (30393358).

57043442 is a wasteful number, since it uses less digits than its factorization.

57043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 57043442 is about 7552.7109040397. The cubic root of 57043442 is about 384.9478582335.

The spelling of 57043442 in words is "fifty-seven million, forty-three thousand, four hundred forty-two".