52213455 has 48 divisors (see below), whose sum is σ = 106788864. Its totient is φ = 23094720.

The previous prime is 52213439. The next prime is 52213531. The reversal of 52213455 is 55431225.

It is a happy number.

52213455 is a `hidden beast` number, since 522 + 134 + 5 + 5 = 666.

It is not a de Polignac number, because 52213455 - 2⁴ = 52213439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7092 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (2224768).

Almost surely, 2^52213455 is an apocalyptic number.

52213455 is an abundant number, since it is smaller than the sum of its proper divisors (54575409).

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

52213455 is a wasteful number, since it uses less digits than its factorization.

52213455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396 (or 5393 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52213455 is about 7225.8878347231. The cubic root of 52213455 is about 373.7611384323.

The spelling of 52213455 in words is "fifty-two million, two hundred thirteen thousand, four hundred fifty-five".