55488459 has 32 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 31836672.

The previous prime is 55488449. The next prime is 55488487. The reversal of 55488459 is 95488455.

55488459 = 387² + 388² + ... + 607².

It is not a de Polignac number, because 55488459 - 2⁵ = 55488427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55488409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83872 + ... + 84530.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^55488459 is an apocalyptic number.

55488459 is a deficient number, since it is larger than the sum of its proper divisors (29667381).

55488459 is a wasteful number, since it uses less digits than its factorization.

55488459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its digits is 1152000, while the sum is 48.

The square root of 55488459 is about 7449.0575914004. The cubic root of 55488459 is about 381.4177395361.

The spelling of 55488459 in words is "fifty-five million, four hundred eighty-eight thousand, four hundred fifty-nine".