55531622584 has 32 divisors (see below), whose sum is σ = 107593799040. Its totient is φ = 26841830400.

The previous prime is 55531622581. The next prime is 55531622593. The reversal of 55531622584 is 48522613555.

It is a super-2 number, since 2×55531622584² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55531622581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118864 + ... + 353824.

It is an arithmetic number, because the mean of its divisors is an integer number (3362306220).

Almost surely, 2^55531622584 is an apocalyptic number.

It is an amenable number.

55531622584 is a deficient number, since it is larger than the sum of its proper divisors (52062176456).

55531622584 is a wasteful number, since it uses less digits than its factorization.

55531622584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235951 (or 235947 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 46.

The spelling of 55531622584 in words is "fifty-five billion, five hundred thirty-one million, six hundred twenty-two thousand, five hundred eighty-four".