55860958 has 4 divisors (see below), whose sum is σ = 83791440. Its totient is φ = 27930478.

The previous prime is 55860923. The next prime is 55860967. The reversal of 55860958 is 85906855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85906855 = 5 ⋅17181371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965238 + ... + 13965241.

It is an arithmetic number, because the mean of its divisors is an integer number (20947860).

Almost surely, 2^55860958 is an apocalyptic number.

55860958 is a deficient number, since it is larger than the sum of its proper divisors (27930482).

55860958 is a wasteful number, since it uses less digits than its factorization.

55860958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27930481.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 55860958 is about 7474.0188653762. The cubic root of 55860958 is about 382.2693339198.

It can be divided in two parts, 558 and 60958, that added together give a palindrome (61516).

The spelling of 55860958 in words is "fifty-five million, eight hundred sixty thousand, nine hundred fifty-eight".