55731122113756 has 12 divisors (see below), whose sum is σ = 97534367526960. Its totient is φ = 27864159963200.

The previous prime is 55731122113741. The next prime is 55731122113769. The reversal of 55731122113756 is 65731122113755.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350183920 + ... + 350343031.

It is an arithmetic number, because the mean of its divisors is an integer number (8127863960580).

Almost surely, 2^{55731122113756} is an apocalyptic number.

It is an amenable number.

55731122113756 is a deficient number, since it is larger than the sum of its proper divisors (41803245413204).

55731122113756 is a wasteful number, since it uses less digits than its factorization.

55731122113756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700546844 (or 700546842 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 49.

Subtracting 55731122113756 from its reverse (65731122113755), we obtain a palindrome (9999999999999).

The spelling of 55731122113756 in words is "fifty-five trillion, seven hundred thirty-one billion, one hundred twenty-two million, one hundred thirteen thousand, seven hundred fifty-six".