55572907240 has 16 divisors (see below), whose sum is σ = 125039041380. Its totient is φ = 22229162880.

The previous prime is 55572907219. The next prime is 55572907241. The reversal of 55572907240 is 4270927555.

It can be written as a sum of positive squares in 2 ways, for example, as 46007676036 + 9565231204 = 214494^2 + 97802^2 .

It is not an unprimeable number, because it can be changed into a prime (55572907241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694661301 + ... + 694661380.

Almost surely, 2^55572907240 is an apocalyptic number.

It is an amenable number.

55572907240 is an abundant number, since it is smaller than the sum of its proper divisors (69466134140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55572907240 is a wasteful number, since it uses less digits than its factorization.

55572907240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389322692 (or 1389322688 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 55572907240 in words is "fifty-five billion, five hundred seventy-two million, nine hundred seven thousand, two hundred forty".