55400162875 has 16 divisors (see below), whose sum is σ = 69773726880. Its totient is φ = 43913512800.

The previous prime is 55400162869. The next prime is 55400162879. The reversal of 55400162875 is 57826100455.

It is not a de Polignac number, because 55400162875 - 2¹⁷ = 55400031803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55400162879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019409 + ... + 2046658.

It is an arithmetic number, because the mean of its divisors is an integer number (4360857930).

Almost surely, 2^55400162875 is an apocalyptic number.

55400162875 is a deficient number, since it is larger than the sum of its proper divisors (14373564005).

55400162875 is a wasteful number, since it uses less digits than its factorization.

55400162875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066191 (or 4066181 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 55400162875 in words is "fifty-five billion, four hundred million, one hundred sixty-two thousand, eight hundred seventy-five".