55538023375 has 16 divisors (see below), whose sum is σ = 69810118560. Its totient is φ = 44110761600.

The previous prime is 55538023363. The next prime is 55538023379. The reversal of 55538023375 is 57332083555.

It is not a de Polignac number, because 55538023375 - 2³³ = 46948088783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55538023379) 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, 1580842 + ... + 1615591.

It is an arithmetic number, because the mean of its divisors is an integer number (4363132410).

Almost surely, 2^55538023375 is an apocalyptic number.

55538023375 is a deficient number, since it is larger than the sum of its proper divisors (14272095185).

55538023375 is a wasteful number, since it uses less digits than its factorization.

55538023375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196587 (or 3196577 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 55538023375 in words is "fifty-five billion, five hundred thirty-eight million, twenty-three thousand, three hundred seventy-five".