51828261464 has 16 divisors (see below), whose sum is σ = 111060560400. Its totient is φ = 22212112032.

The previous prime is 51828261461. The next prime is 51828261467. The reversal of 51828261464 is 46416282815.

It is an interprime number because it is at equal distance from previous prime (51828261461) and next prime (51828261467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51828261461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462752279 + ... + 462752390.

It is an arithmetic number, because the mean of its divisors is an integer number (6941285025).

Almost surely, 2^51828261464 is an apocalyptic number.

It is an amenable number.

51828261464 is an abundant number, since it is smaller than the sum of its proper divisors (59232298936).

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

51828261464 is a wasteful number, since it uses less digits than its factorization.

51828261464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925504682 (or 925504678 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The spelling of 51828261464 in words is "fifty-one billion, eight hundred twenty-eight million, two hundred sixty-one thousand, four hundred sixty-four".