57429816 has 32 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 19094240.

The previous prime is 57429803. The next prime is 57429829. The reversal of 57429816 is 61892475.

It is an interprime number because it is at equal distance from previous prime (57429803) and next prime (57429829).

It is a congruent number.

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, 7201 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (4498200).

Almost surely, 2^57429816 is an apocalyptic number.

It is an amenable number.

57429816 is an abundant number, since it is smaller than the sum of its proper divisors (86512584).

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

57429816 is a wasteful number, since it uses less digits than its factorization.

57429816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139 (or 6135 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 57429816 is about 7578.2462351127. The cubic root of 57429816 is about 385.8150294558.

The spelling of 57429816 in words is "fifty-seven million, four hundred twenty-nine thousand, eight hundred sixteen".