55531847685574 has 16 divisors (see below), whose sum is σ = 94982074322688. Its totient is φ = 24122431573632.

The previous prime is 55531847685551. The next prime is 55531847685599. The reversal of 55531847685574 is 47558674813555.

It is a super-2 number, since 2×55531847685574² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55531847685497 and 55531847685506.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62818831782 + ... + 62818832665.

It is an arithmetic number, because the mean of its divisors is an integer number (5936379645168).

Almost surely, 2^{55531847685574} is an apocalyptic number.

55531847685574 is a deficient number, since it is larger than the sum of its proper divisors (39450226637114).

55531847685574 is a wasteful number, since it uses less digits than its factorization.

55531847685574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125637664479.

The product of its digits is 2822400000, while the sum is 73.

The spelling of 55531847685574 in words is "fifty-five trillion, five hundred thirty-one billion, eight hundred forty-seven million, six hundred eighty-five thousand, five hundred seventy-four".