55375 has 8 divisors (see below), whose sum is σ = 69264. Its totient is φ = 44200.

The previous prime is 55373. The next prime is 55381. The reversal of 55375 is 57355.

It is a happy number.

It is not a de Polignac number, because 55375 - 2¹ = 55373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (8658).

2⁵⁵³⁷⁵ is an apocalyptic number.

55375 is a deficient number, since it is larger than the sum of its proper divisors (13889).

55375 is an equidigital number, since it uses as much as digits as its factorization.

55375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 448 counting only the distinct ones).

The product of its digits is 2625, while the sum is 25.

The square root of 55375 is about 235.3189325150. The cubic root of 55375 is about 38.1157596526.

The spelling of 55375 in words is "fifty-five thousand, three hundred seventy-five".