56974534 has 4 divisors (see below), whose sum is σ = 85461804. Its totient is φ = 28487266.

The previous prime is 56974517. The next prime is 56974537. The reversal of 56974534 is 43547965.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×56974534³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56974537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14243632 + ... + 14243635.

It is an arithmetic number, because the mean of its divisors is an integer number (21365451).

Almost surely, 2^56974534 is an apocalyptic number.

56974534 is a deficient number, since it is larger than the sum of its proper divisors (28487270).

56974534 is a wasteful number, since it uses less digits than its factorization.

56974534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28487269.

The product of its digits is 453600, while the sum is 43.

The square root of 56974534 is about 7548.1477198052. The cubic root of 56974534 is about 384.7927911810.

The spelling of 56974534 in words is "fifty-six million, nine hundred seventy-four thousand, five hundred thirty-four".