552861780945 has 32 divisors (see below), whose sum is σ = 886425845760. Its totient is φ = 294244593600.

The previous prime is 552861780931. The next prime is 552861780953. The reversal of 552861780945 is 549087168255.

It is not a de Polignac number, because 552861780945 - 2¹⁸ = 552861518801 is a prime.

It is a super-2 number, since 2×552861780945² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14466252 + ... + 14504418.

It is an arithmetic number, because the mean of its divisors is an integer number (27700807680).

Almost surely, 2^552861780945 is an apocalyptic number.

It is an amenable number.

552861780945 is a deficient number, since it is larger than the sum of its proper divisors (333564064815).

552861780945 is a wasteful number, since it uses less digits than its factorization.

552861780945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40165.

The product of its (nonzero) digits is 24192000, while the sum is 60.

The spelling of 552861780945 in words is "five hundred fifty-two billion, eight hundred sixty-one million, seven hundred eighty thousand, nine hundred forty-five".