51496572 has 12 divisors (see below), whose sum is σ = 120158696. Its totient is φ = 17165520.

The previous prime is 51496507. The next prime is 51496579. The reversal of 51496572 is 27569415.

51496572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51496572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51496579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145679 + ... + 2145702.

Almost surely, 2^51496572 is an apocalyptic number.

It is an amenable number.

51496572 is an abundant number, since it is smaller than the sum of its proper divisors (68662124).

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

51496572 is a wasteful number, since it uses less digits than its factorization.

51496572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291388 (or 4291386 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 51496572 is about 7176.1112031517. Note that the first 3 decimals coincide. The cubic root of 51496572 is about 372.0426878981.

The spelling of 51496572 in words is "fifty-one million, four hundred ninety-six thousand, five hundred seventy-two".