57236534 has 16 divisors (see below), whose sum is σ = 87045840. Its totient is φ = 28224000.

The previous prime is 57236513. The next prime is 57236563. The reversal of 57236534 is 43563275.

57236534 = 347² + 348² + ... + 597².

It is a junction number, because it is equal to n+sod(n) for n = 57236494 and 57236503.

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, 56222 + ... + 57230.

It is an arithmetic number, because the mean of its divisors is an integer number (5440365).

Almost surely, 2^57236534 is an apocalyptic number.

57236534 is a deficient number, since it is larger than the sum of its proper divisors (29809306).

57236534 is a wasteful number, since it uses less digits than its factorization.

57236534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its digits is 75600, while the sum is 35.

The square root of 57236534 is about 7565.4830645505. The cubic root of 57236534 is about 385.3817184472.

The spelling of 57236534 in words is "fifty-seven million, two hundred thirty-six thousand, five hundred thirty-four".