52655772 has 24 divisors (see below), whose sum is σ = 132314896. Its totient is φ = 16201728.

The previous prime is 52655741. The next prime is 52655777. The reversal of 52655772 is 27755625.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52655772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52655777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168613 + ... + 168924.

Almost surely, 2^52655772 is an apocalyptic number.

52655772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52655772 is an abundant number, since it is smaller than the sum of its proper divisors (79659124).

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

52655772 is a wasteful number, since it uses less digits than its factorization.

52655772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337557 (or 337555 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 52655772 is about 7256.4297006172. The cubic root of 52655772 is about 374.8135891291.

The spelling of 52655772 in words is "fifty-two million, six hundred fifty-five thousand, seven hundred seventy-two".