52558172 has 6 divisors (see below), whose sum is σ = 91976808. Its totient is φ = 26279084.

The previous prime is 52558171. The next prime is 52558211. The reversal of 52558172 is 27185525.

It is a super-2 number, since 2×52558172² = 5524722887963168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52558171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6569768 + ... + 6569775.

It is an arithmetic number, because the mean of its divisors is an integer number (15329468).

Almost surely, 2^52558172 is an apocalyptic number.

It is an amenable number.

52558172 is a deficient number, since it is larger than the sum of its proper divisors (39418636).

52558172 is a wasteful number, since it uses less digits than its factorization.

52558172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139547 (or 13139545 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 52558172 is about 7249.7015110969. The cubic root of 52558172 is about 374.5818675770.

The spelling of 52558172 in words is "fifty-two million, five hundred fifty-eight thousand, one hundred seventy-two".