552115531 has 4 divisors (see below), whose sum is σ = 602307864. Its totient is φ = 501923200.

The previous prime is 552115523. The next prime is 552115541. The reversal of 552115531 is 135511255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 552115531 - 2³ = 552115523 is a prime.

It is a super-2 number, since 2×552115531² = 609663119142823922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552115531.

It is not an unprimeable number, because it can be changed into a prime (552115541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25096150 + ... + 25096171.

It is an arithmetic number, because the mean of its divisors is an integer number (150576966).

Almost surely, 2^552115531 is an apocalyptic number.

552115531 is a deficient number, since it is larger than the sum of its proper divisors (50192333).

552115531 is a wasteful number, since it uses less digits than its factorization.

552115531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50192332.

The product of its digits is 3750, while the sum is 28.

The square root of 552115531 is about 23497.1387832647. The cubic root of 552115531 is about 820.3704111770.

Adding to 552115531 its reverse (135511255), we get a palindrome (687626786).

The spelling of 552115531 in words is "five hundred fifty-two million, one hundred fifteen thousand, five hundred thirty-one".