51595464 has 64 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 16533504.

The previous prime is 51595457. The next prime is 51595471. The reversal of 51595464 is 46459515.

It is an interprime number because it is at equal distance from previous prime (51595457) and next prime (51595471).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85837 + ... + 86435.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 2^51595464 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 51595464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67032000).

51595464 is an abundant number, since it is smaller than the sum of its proper divisors (82468536).

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

51595464 is a wasteful number, since it uses less digits than its factorization.

51595464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 738 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 51595464 is about 7182.9982597798. The cubic root of 51595464 is about 372.2806876835.

The spelling of 51595464 in words is "fifty-one million, five hundred ninety-five thousand, four hundred sixty-four".