51464694 has 8 divisors (see below), whose sum is σ = 102929400. Its totient is φ = 17154896.

The previous prime is 51464689. The next prime is 51464701. The reversal of 51464694 is 49646415.

51464694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

51464694 is an admirable number.

It is a super-2 number, since 2×51464694² = 5297229457027272, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4288719 + ... + 4288730.

It is an arithmetic number, because the mean of its divisors is an integer number (12866175).

Almost surely, 2^51464694 is an apocalyptic number.

51464694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51464694 is a wasteful number, since it uses less digits than its factorization.

51464694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577454.

The product of its digits is 103680, while the sum is 39.

The square root of 51464694 is about 7173.8897398831. The cubic root of 51464694 is about 371.9659033380.

The spelling of 51464694 in words is "fifty-one million, four hundred sixty-four thousand, six hundred ninety-four".