552615231 has 16 divisors (see below), whose sum is σ = 861665024. Its totient is φ = 308435904.

The previous prime is 552615139. The next prime is 552615241. The reversal of 552615231 is 132516255.

It is a happy number.

It is not a de Polignac number, because 552615231 - 2⁷ = 552615103 is a prime.

It is a super-2 number, since 2×552615231² = 610767187066366722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552615241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305086 + ... + 306891.

It is an arithmetic number, because the mean of its divisors is an integer number (53854064).

Almost surely, 2^552615231 is an apocalyptic number.

552615231 is a deficient number, since it is larger than the sum of its proper divisors (309049793).

552615231 is a wasteful number, since it uses less digits than its factorization.

552615231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612030.

The product of its digits is 9000, while the sum is 30.

The square root of 552615231 is about 23507.7695879469. The cubic root of 552615231 is about 820.6178325106.

The spelling of 552615231 in words is "five hundred fifty-two million, six hundred fifteen thousand, two hundred thirty-one".