51295464 has 64 divisors (see below), whose sum is σ = 155448000. Its totient is φ = 15543360.

The previous prime is 51295457. The next prime is 51295499. The reversal of 51295464 is 46459215.

51295464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 8419 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (2428875).

Almost surely, 2^51295464 is an apocalyptic number.

51295464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51295464 is an abundant number, since it is smaller than the sum of its proper divisors (104152536).

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

51295464 is a wasteful number, since it uses less digits than its factorization.

51295464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21615 (or 21605 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 51295464 is about 7162.0851712333. The cubic root of 51295464 is about 371.5577470678.

The spelling of 51295464 in words is "fifty-one million, two hundred ninety-five thousand, four hundred sixty-four".