552165081 has 48 divisors (see below), whose sum is σ = 827874432. Its totient is φ = 326976000.

The previous prime is 552165073. The next prime is 552165091. The reversal of 552165081 is 180561255.

It is not a de Polignac number, because 552165081 - 2³ = 552165073 is a prime.

It is a super-2 number, since 2×552165081² = 609772553351473122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (552165001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2099356 + ... + 2099618.

It is an arithmetic number, because the mean of its divisors is an integer number (17247384).

Almost surely, 2^552165081 is an apocalyptic number.

It is an amenable number.

552165081 is a deficient number, since it is larger than the sum of its proper divisors (275709351).

552165081 is a wasteful number, since it uses less digits than its factorization.

552165081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 552165081 is about 23498.1931433036. The cubic root of 552165081 is about 820.3949520177.

The spelling of 552165081 in words is "five hundred fifty-two million, one hundred sixty-five thousand, eighty-one".