52726464 has 140 divisors (see below), whose sum is σ = 178748944. Its totient is φ = 15054336.

The previous prime is 52726439. The next prime is 52726477. The reversal of 52726464 is 46462725.

52726464 is a `hidden beast` number, since 5 + 2 + 7 + 2 + 646 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35562 + ... + 37014.

Almost surely, 2^52726464 is an apocalyptic number.

52726464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52726464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89374472).

52726464 is an abundant number, since it is smaller than the sum of its proper divisors (126022480).

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

52726464 is a wasteful number, since it uses less digits than its factorization.

52726464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1465 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 52726464 is about 7261.2990573313. The cubic root of 52726464 is about 374.9812470622.

The spelling of 52726464 in words is "fifty-two million, seven hundred twenty-six thousand, four hundred sixty-four".