55554976783731 has 16 divisors (see below), whose sum is σ = 75520466297856. Its totient is φ = 36313986904416.

The previous prime is 55554976783727. The next prime is 55554976783769. The reversal of 55554976783731 is 13738767945555.

55554976783731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55554976783731 - 2² = 55554976783727 is a prime.

It is a super-2 number, since 2×55554976783731² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55554976783781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114466435 + ... + 114950748.

It is an arithmetic number, because the mean of its divisors is an integer number (4720029143616).

Almost surely, 2^{55554976783731} is an apocalyptic number.

55554976783731 is a deficient number, since it is larger than the sum of its proper divisors (19965489514125).

55554976783731 is a wasteful number, since it uses less digits than its factorization.

55554976783731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229418762.

The product of its digits is 3333960000, while the sum is 75.

The spelling of 55554976783731 in words is "fifty-five trillion, five hundred fifty-four billion, nine hundred seventy-six million, seven hundred eighty-three thousand, seven hundred thirty-one".