51532492 has 24 divisors (see below), whose sum is σ = 100477440. Its totient is φ = 22924560.

The previous prime is 51532487. The next prime is 51532493. The reversal of 51532492 is 29423515.

It is not an unprimeable number, because it can be changed into a prime (51532493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (4186560).

Almost surely, 2^51532492 is an apocalyptic number.

It is an amenable number.

51532492 is a deficient number, since it is larger than the sum of its proper divisors (48944948).

51532492 is a wasteful number, since it uses less digits than its factorization.

51532492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24981 (or 24979 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 51532492 is about 7178.6135151574. The cubic root of 51532492 is about 372.1291704662.

The spelling of 51532492 in words is "fifty-one million, five hundred thirty-two thousand, four hundred ninety-two".