55154666133 has 24 divisors (see below), whose sum is σ = 91094057600. Its totient is φ = 31501345824.

The previous prime is 55154666129. The next prime is 55154666179. The reversal of 55154666133 is 33166645155.

It is a happy number.

It is not a de Polignac number, because 55154666133 - 2² = 55154666129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154666123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87913 + ... + 343566.

Almost surely, 2^55154666133 is an apocalyptic number.

It is an amenable number.

55154666133 is a deficient number, since it is larger than the sum of its proper divisors (35939391467).

55154666133 is a wasteful number, since it uses less digits than its factorization.

55154666133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433521 (or 433518 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 55154666133 in words is "fifty-five billion, one hundred fifty-four million, six hundred sixty-six thousand, one hundred thirty-three".