55394945132 has 24 divisors (see below), whose sum is σ = 103968673200. Its totient is φ = 25744620096.

The previous prime is 55394945131. The next prime is 55394945161. The reversal of 55394945132 is 23154949355.

It is not an unprimeable number, because it can be changed into a prime (55394945131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6872207 + ... + 6880262.

It is an arithmetic number, because the mean of its divisors is an integer number (4332028050).

Almost surely, 2^55394945132 is an apocalyptic number.

It is an amenable number.

55394945132 is a deficient number, since it is larger than the sum of its proper divisors (48573728068).

55394945132 is a wasteful number, since it uses less digits than its factorization.

55394945132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752545 (or 13752543 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 50.

The spelling of 55394945132 in words is "fifty-five billion, three hundred ninety-four million, nine hundred forty-five thousand, one hundred thirty-two".