51011496 has 24 divisors (see below), whose sum is σ = 138156330. Its totient is φ = 17003808.

The previous prime is 51011479. The next prime is 51011533. The reversal of 51011496 is 69411015.

51011496 is a `hidden beast` number, since 510 + 1 + 149 + 6 = 666.

51011496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 12744900 = 6186^2 + 3570^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 354175 + ... + 354318.

Almost surely, 2^51011496 is an apocalyptic number.

It is an amenable number.

51011496 is an abundant number, since it is smaller than the sum of its proper divisors (87144834).

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

51011496 is a wasteful number, since it uses less digits than its factorization.

51011496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708505 (or 708498 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 51011496 is about 7142.2332641828. The cubic root of 51011496 is about 370.8708389565.

The spelling of 51011496 in words is "fifty-one million, eleven thousand, four hundred ninety-six".