51545912 has 16 divisors (see below), whose sum is σ = 105435000. Its totient is φ = 23429920.

The previous prime is 51545911. The next prime is 51545927. The reversal of 51545912 is 21954515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51545911) 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 3 ways as a sum of consecutive naturals, for example, 292787 + ... + 292962.

Almost surely, 2^51545912 is an apocalyptic number.

It is an amenable number.

51545912 is an abundant number, since it is smaller than the sum of its proper divisors (53889088).

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

51545912 is a wasteful number, since it uses less digits than its factorization.

51545912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585766 (or 585762 counting only the distinct ones).

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

The square root of 51545912 is about 7179.5481751988. The cubic root of 51545912 is about 372.1614707349.

The spelling of 51545912 in words is "fifty-one million, five hundred forty-five thousand, nine hundred twelve".