55870862 has 8 divisors (see below), whose sum is σ = 83840616. Its totient is φ = 27923992.

The previous prime is 55870861. The next prime is 55870879. The reversal of 55870862 is 26807855.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (10480077).

Almost surely, 2^55870862 is an apocalyptic number.

55870862 is a deficient number, since it is larger than the sum of its proper divisors (27969754).

55870862 is a wasteful number, since it uses less digits than its factorization.

55870862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 55870862 is about 7474.6813978925. The cubic root of 55870862 is about 382.2919243652.

The spelling of 55870862 in words is "fifty-five million, eight hundred seventy thousand, eight hundred sixty-two".