52628522 has 8 divisors (see below), whose sum is σ = 79356672. Its totient is φ = 26176300.

The previous prime is 52628519. The next prime is 52628539. The reversal of 52628522 is 22582625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52628522² = 5539522655808968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68504 + ... + 69267.

It is an arithmetic number, because the mean of its divisors is an integer number (9919584).

Almost surely, 2^52628522 is an apocalyptic number.

52628522 is a deficient number, since it is larger than the sum of its proper divisors (26728150).

52628522 is a wasteful number, since it uses less digits than its factorization.

52628522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137964.

The product of its digits is 19200, while the sum is 32.

The square root of 52628522 is about 7254.5518124830. The cubic root of 52628522 is about 374.7489211144.

The spelling of 52628522 in words is "fifty-two million, six hundred twenty-eight thousand, five hundred twenty-two".