55898385 has 8 divisors (see below), whose sum is σ = 89437440. Its totient is φ = 29812464.

The previous prime is 55898377. The next prime is 55898389. The reversal of 55898385 is 58389855.

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

It is not a de Polignac number, because 55898385 - 2³ = 55898377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55898389) 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, 1863265 + ... + 1863294.

It is an arithmetic number, because the mean of its divisors is an integer number (11179680).

Almost surely, 2^55898385 is an apocalyptic number.

It is an amenable number.

55898385 is a deficient number, since it is larger than the sum of its proper divisors (33539055).

55898385 is a wasteful number, since it uses less digits than its factorization.

55898385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726567.

The product of its digits is 1728000, while the sum is 51.

The square root of 55898385 is about 7476.5222530265. The cubic root of 55898385 is about 382.3546887053.

The spelling of 55898385 in words is "fifty-five million, eight hundred ninety-eight thousand, three hundred eighty-five".