55870895 has 8 divisors (see below), whose sum is σ = 67193280. Its totient is φ = 44597920.

The previous prime is 55870879. The next prime is 55870909. The reversal of 55870895 is 59807855.

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

It is not a de Polignac number, because 55870895 - 2⁴ = 55870879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9815 + ... + 14424.

It is an arithmetic number, because the mean of its divisors is an integer number (8399160).

Almost surely, 2^55870895 is an apocalyptic number.

55870895 is a deficient number, since it is larger than the sum of its proper divisors (11322385).

55870895 is a wasteful number, since it uses less digits than its factorization.

55870895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24705.

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 55870895 is about 7474.6836053441. The cubic root of 55870895 is about 382.2919996318.

It can be divided in two parts, 55870 and 895, that added together give a palindrome (56765).

The spelling of 55870895 in words is "fifty-five million, eight hundred seventy thousand, eight hundred ninety-five".