52407576 has 144 divisors (see below), whose sum is σ = 158441400. Its totient is φ = 15634944.

The previous prime is 52407571. The next prime is 52407581. The reversal of 52407576 is 67570425.

It is an interprime number because it is at equal distance from previous prime (52407571) and next prime (52407581).

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

It is a self number, because there is not a number n which added to its sum of digits gives 52407576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52407571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 717876 + ... + 717948.

Almost surely, 2^52407576 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 52407576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79220700).

52407576 is an abundant number, since it is smaller than the sum of its proper divisors (106033824).

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

52407576 is a wasteful number, since it uses less digits than its factorization.

52407576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 52407576 is about 7239.3077017074. The cubic root of 52407576 is about 374.2237596444.

The spelling of 52407576 in words is "fifty-two million, four hundred seven thousand, five hundred seventy-six".