51154592 has 12 divisors (see below), whose sum is σ = 100710666. Its totient is φ = 25577280.

The previous prime is 51154591. The next prime is 51154603. The reversal of 51154592 is 29545115.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 11262736 = 6316^2 + 3356^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1598581 = 51154592 / (5 + 1 + 1 + 5 + 4 + 5 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (51154591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799259 + ... + 799322.

Almost surely, 2^51154592 is an apocalyptic number.

It is an amenable number.

51154592 is a deficient number, since it is larger than the sum of its proper divisors (49556074).

51154592 is a wasteful number, since it uses less digits than its factorization.

51154592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598591 (or 1598583 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 51154592 is about 7152.2438437179. The cubic root of 51154592 is about 371.2173006453.

The spelling of 51154592 in words is "fifty-one million, one hundred fifty-four thousand, five hundred ninety-two".