51334572 has 12 divisors (see below), whose sum is σ = 119780696. Its totient is φ = 17111520.

The previous prime is 51334567. The next prime is 51334573. The reversal of 51334572 is 27543315.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (51334573) 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, 2138929 + ... + 2138952.

Almost surely, 2^51334572 is an apocalyptic number.

It is an amenable number.

51334572 is an abundant number, since it is smaller than the sum of its proper divisors (68446124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51334572 is a wasteful number, since it uses less digits than its factorization.

51334572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277888 (or 4277886 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 51334572 is about 7164.8148615299. The cubic root of 51334572 is about 371.6521491064.

Adding to 51334572 its reverse (27543315), we get a palindrome (78877887).

The spelling of 51334572 in words is "fifty-one million, three hundred thirty-four thousand, five hundred seventy-two".