53023356 has 24 divisors (see below), whose sum is σ = 137468240. Its totient is φ = 17674416.

The previous prime is 53023337. The next prime is 53023367. The reversal of 53023356 is 65332035.

53023356 is a `hidden beast` number, since 5 + 302 + 3 + 356 = 666.

It is a super-2 number, since 2×53023356² = 5622952563005472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245371 + ... + 245586.

Almost surely, 2^53023356 is an apocalyptic number.

It is an amenable number.

53023356 is an abundant number, since it is smaller than the sum of its proper divisors (84444884).

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

53023356 is a wasteful number, since it uses less digits than its factorization.

53023356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490970 (or 490962 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53023356 is about 7281.7138092622. The cubic root of 53023356 is about 375.6837445580.

The spelling of 53023356 in words is "fifty-three million, twenty-three thousand, three hundred fifty-six".