52551628 has 6 divisors (see below), whose sum is σ = 91965356. Its totient is φ = 26275812.

The previous prime is 52551623. The next prime is 52551637. The reversal of 52551628 is 82615525.

It is a junction number, because it is equal to n+sod(n) for n = 52551593 and 52551602.

It is not an unprimeable number, because it can be changed into a prime (52551623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568950 + ... + 6568957.

Almost surely, 2^52551628 is an apocalyptic number.

It is an amenable number.

52551628 is a deficient number, since it is larger than the sum of its proper divisors (39413728).

52551628 is a wasteful number, since it uses less digits than its factorization.

52551628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137911 (or 13137909 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 52551628 is about 7249.2501681208. The cubic root of 52551628 is about 374.5663205784.

The spelling of 52551628 in words is "fifty-two million, five hundred fifty-one thousand, six hundred twenty-eight".