52267428 has 36 divisors (see below), whose sum is σ = 133141008. Its totient is φ = 17287920.

The previous prime is 52267393. The next prime is 52267429. The reversal of 52267428 is 82476225.

52267428 is a `hidden beast` number, since 5 + 226 + 7 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 52267392 and 52267401.

It is not an unprimeable number, because it can be changed into a prime (52267429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826 + ... + 10257.

Almost surely, 2^52267428 is an apocalyptic number.

It is an amenable number.

52267428 is an abundant number, since it is smaller than the sum of its proper divisors (80873580).

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

52267428 is a wasteful number, since it uses less digits than its factorization.

52267428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224 (or 11219 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 52267428 is about 7229.6215668595. The cubic root of 52267428 is about 373.8898795967.

The spelling of 52267428 in words is "fifty-two million, two hundred sixty-seven thousand, four hundred twenty-eight".