552155431 has 4 divisors (see below), whose sum is σ = 562573512. Its totient is φ = 541737352.

The previous prime is 552155407. The next prime is 552155441. The reversal of 552155431 is 134551255.

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 552155431 - 2²³ = 543766823 is a prime.

It is a super-2 number, since 2×552155431² = 609751239965591522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552155393 and 552155402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552155441) 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, 5208961 + ... + 5209066.

It is an arithmetic number, because the mean of its divisors is an integer number (140643378).

Almost surely, 2^552155431 is an apocalyptic number.

552155431 is a deficient number, since it is larger than the sum of its proper divisors (10418081).

552155431 is a wasteful number, since it uses less digits than its factorization.

552155431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418080.

The product of its digits is 15000, while the sum is 31.

The square root of 552155431 is about 23497.9878074698. The cubic root of 552155431 is about 820.3901727360.

The spelling of 552155431 in words is "five hundred fifty-two million, one hundred fifty-five thousand, four hundred thirty-one".