55437375 has 64 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 25284000.

The previous prime is 55437313. The next prime is 55437377. The reversal of 55437375 is 57373455.

It is not a de Polignac number, because 55437375 - 2⁷ = 55437247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55437377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128410 + ... + 128840.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^55437375 is an apocalyptic number.

55437375 is a deficient number, since it is larger than the sum of its proper divisors (52389825).

55437375 is an equidigital number, since it uses as much as digits as its factorization.

55437375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 446 counting only the distinct ones).

The product of its digits is 220500, while the sum is 39.

The square root of 55437375 is about 7445.6279117345. The cubic root of 55437375 is about 381.3006561733.

The spelling of 55437375 in words is "fifty-five million, four hundred thirty-seven thousand, three hundred seventy-five".