552138501761 has 48 divisors (see below), whose sum is σ = 712736317440. Its totient is φ = 422879577120.

The previous prime is 552138501731. The next prime is 552138501763. The reversal of 552138501761 is 167105831255.

It is not a de Polignac number, because 552138501761 - 2²² = 552134307457 is a prime.

It is a super-2 number, since 2×552138501761² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (552138501763) 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, 9466490 + ... + 9524636.

It is an arithmetic number, because the mean of its divisors is an integer number (14848673280).

Almost surely, 2^552138501761 is an apocalyptic number.

It is an amenable number.

552138501761 is a deficient number, since it is larger than the sum of its proper divisors (160597815679).

552138501761 is a wasteful number, since it uses less digits than its factorization.

552138501761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58474 (or 58467 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 552138501761 in words is "five hundred fifty-two billion, one hundred thirty-eight million, five hundred one thousand, seven hundred sixty-one".