57123494 has 16 divisors (see below), whose sum is σ = 86962848. Its totient is φ = 28138752.

The previous prime is 57123433. The next prime is 57123497. The reversal of 57123494 is 49432175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57123497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53207 + ... + 54269.

It is an arithmetic number, because the mean of its divisors is an integer number (5435178).

Almost surely, 2^57123494 is an apocalyptic number.

57123494 is a deficient number, since it is larger than the sum of its proper divisors (29839354).

57123494 is a wasteful number, since it uses less digits than its factorization.

57123494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 30240, while the sum is 35.

The square root of 57123494 is about 7558.0086001539. The cubic root of 57123494 is about 385.1278464491.

The spelling of 57123494 in words is "fifty-seven million, one hundred twenty-three thousand, four hundred ninety-four".