55864904425086 has 16 divisors (see below), whose sum is σ = 113397417938304. Its totient is φ = 18343699960344.

The previous prime is 55864904425051. The next prime is 55864904425087. The reversal of 55864904425086 is 68052440946855.

It is a super-2 number, since 2×55864904425086² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55864904425087) 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, 69483711570 + ... + 69483712373.

It is an arithmetic number, because the mean of its divisors is an integer number (7087338621144).

Almost surely, 2^{55864904425086} is an apocalyptic number.

55864904425086 is an abundant number, since it is smaller than the sum of its proper divisors (57532513513218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55864904425086 is a wasteful number, since it uses less digits than its factorization.

55864904425086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138967424015.

The product of its (nonzero) digits is 331776000, while the sum is 66.

The spelling of 55864904425086 in words is "fifty-five trillion, eight hundred sixty-four billion, nine hundred four million, four hundred twenty-five thousand, eighty-six".