552151538761 has 3 divisors (see below), whose sum is σ = 552152281831. Its totient is φ = 552150795692.

The previous prime is 552151538689. The next prime is 552151538767. The reversal of 552151538761 is 167835151255.

The square root of 552151538761 is 743069.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 552077234361 + 74304400 = 743019^2 + 8620^2 .

It is not a de Polignac number, because 552151538761 - 2⁷ = 552151538633 is a prime.

It is a super-2 number, since 2×552151538761² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552151538767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 371535 + ... + 1114603.

Almost surely, 2^552151538761 is an apocalyptic number.

552151538761 is the 743069-th square number.

552151538761 is the 371535-th centered octagonal number.

It is an amenable number.

552151538761 is a deficient number, since it is larger than the sum of its proper divisors (743070).

552151538761 is an frugal number, since it uses more digits than its factorization.

552151538761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486138 (or 743069 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 49.

Multiplying 552151538761 by its sum of digits (49), we get a square (27055425399289 = 5201483²).

The spelling of 552151538761 in words is "five hundred fifty-two billion, one hundred fifty-one million, five hundred thirty-eight thousand, seven hundred sixty-one".