55459375 has 12 divisors (see below), whose sum is σ = 69323688. Its totient is φ = 44365000.

The previous prime is 55459373. The next prime is 55459399. The reversal of 55459375 is 57395455.

It is not a de Polignac number, because 55459375 - 2¹ = 55459373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55459373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5749 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (5776974).

Almost surely, 2^55459375 is an apocalyptic number.

55459375 is a deficient number, since it is larger than the sum of its proper divisors (13864313).

55459375 is an frugal number, since it uses more digits than its factorization.

55459375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772 (or 17752 counting only the distinct ones).

The product of its digits is 472500, while the sum is 43.

The square root of 55459375 is about 7447.1051422684. The cubic root of 55459375 is about 381.3510884856.

The spelling of 55459375 in words is "fifty-five million, four hundred fifty-nine thousand, three hundred seventy-five".