55574290564 has 27 divisors (see below), whose sum is σ = 105323252517. Its totient is φ = 25646843664.

The previous prime is 55574290547. The next prime is 55574290567. The reversal of 55574290564 is 46509247555.

It is a happy number.

The square root of 55574290564 is 235742.

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

It can be written as a sum of positive squares in only one way, i.e., 8221048900 + 47353241664 = 90670^2 + 217608^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55574290567) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6124759 + ... + 6133825.

Almost surely, 2^55574290564 is an apocalyptic number.

55574290564 is the 235742-nd square number.

It is an amenable number.

55574290564 is a deficient number, since it is larger than the sum of its proper divisors (49748961953).

55574290564 is an frugal number, since it uses more digits than its factorization.

55574290564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164 (or 9082 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 55574290564 in words is "fifty-five billion, five hundred seventy-four million, two hundred ninety thousand, five hundred sixty-four".