51092464 has 40 divisors (see below), whose sum is σ = 102850560. Its totient is φ = 24561600.

The previous prime is 51092423. The next prime is 51092527. The reversal of 51092464 is 46429015.

It is a super-2 number, since 2×51092464² = 5220879755182592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118329 + ... + 118759.

It is an arithmetic number, because the mean of its divisors is an integer number (2571264).

Almost surely, 2^51092464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51092464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51425280).

51092464 is an abundant number, since it is smaller than the sum of its proper divisors (51758096).

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

51092464 is a wasteful number, since it uses less digits than its factorization.

51092464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 51092464 is about 7147.8992718141. The cubic root of 51092464 is about 371.0669568173.

The spelling of 51092464 in words is "fifty-one million, ninety-two thousand, four hundred sixty-four".