55154666132 has 12 divisors (see below), whose sum is σ = 96534097716. Its totient is φ = 27573495360.

The previous prime is 55154666129. The next prime is 55154666179. The reversal of 55154666132 is 23166645155.

It can be written as a sum of positive squares in 2 ways, for example, as 50766398596 + 4388267536 = 225314^2 + 66244^2 .

It is a super-2 number, since 2×55154666132² (a number of 22 digits) contains 22 as substring.

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, 926969 + ... + 984672.

It is an arithmetic number, because the mean of its divisors is an integer number (8044508143).

Almost surely, 2^55154666132 is an apocalyptic number.

It is an amenable number.

55154666132 is a deficient number, since it is larger than the sum of its proper divisors (41379431584).

55154666132 is a wasteful number, since it uses less digits than its factorization.

55154666132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918858 (or 1918856 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The spelling of 55154666132 in words is "fifty-five billion, one hundred fifty-four million, six hundred sixty-six thousand, one hundred thirty-two".