55154651131 has 4 divisors (see below), whose sum is σ = 58399042392. Its totient is φ = 51910259872.

The previous prime is 55154651129. The next prime is 55154651173. The reversal of 55154651131 is 13115645155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55154651131 - 2¹ = 55154651129 is a prime.

It is a super-2 number, since 2×55154651131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55154652131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622195605 + ... + 1622195638.

It is an arithmetic number, because the mean of its divisors is an integer number (14599760598).

Almost surely, 2^55154651131 is an apocalyptic number.

55154651131 is a deficient number, since it is larger than the sum of its proper divisors (3244391261).

55154651131 is a wasteful number, since it uses less digits than its factorization.

55154651131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244391260.

The product of its digits is 45000, while the sum is 37.

The spelling of 55154651131 in words is "fifty-five billion, one hundred fifty-four million, six hundred fifty-one thousand, one hundred thirty-one".