51542956 has 12 divisors (see below), whose sum is σ = 93110080. Its totient is φ = 24940080.

The previous prime is 51542941. The next prime is 51542957. The reversal of 51542956 is 65924515.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51542957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207711 + ... + 207958.

Almost surely, 2^51542956 is an apocalyptic number.

It is an amenable number.

51542956 is a deficient number, since it is larger than the sum of its proper divisors (41567124).

51542956 is a wasteful number, since it uses less digits than its factorization.

51542956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415704 (or 415702 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 51542956 is about 7179.3423097105. The cubic root of 51542956 is about 372.1543564925.

The spelling of 51542956 in words is "fifty-one million, five hundred forty-two thousand, nine hundred fifty-six".