55869459 has 8 divisors (see below), whose sum is σ = 75079680. Its totient is φ = 36952776.

The previous prime is 55869421. The next prime is 55869479. The reversal of 55869459 is 95496855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55869459 - 2¹⁵ = 55836691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55869419) 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, 72939 + ... + 73700.

It is an arithmetic number, because the mean of its divisors is an integer number (9384960).

Almost surely, 2^55869459 is an apocalyptic number.

55869459 is a deficient number, since it is larger than the sum of its proper divisors (19210221).

55869459 is a wasteful number, since it uses less digits than its factorization.

55869459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146769.

The product of its digits is 1944000, while the sum is 51.

The square root of 55869459 is about 7474.5875471493. The cubic root of 55869459 is about 382.2887243665.

The spelling of 55869459 in words is "fifty-five million, eight hundred sixty-nine thousand, four hundred fifty-nine".