55861174 has 4 divisors (see below), whose sum is σ = 83791764. Its totient is φ = 27930586.

The previous prime is 55861111. The next prime is 55861187. The reversal of 55861174 is 47116855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47116855 = 5 ⋅9423371.

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, 13965292 + ... + 13965295.

It is an arithmetic number, because the mean of its divisors is an integer number (20947941).

Almost surely, 2^55861174 is an apocalyptic number.

55861174 is a deficient number, since it is larger than the sum of its proper divisors (27930590).

55861174 is a wasteful number, since it uses less digits than its factorization.

55861174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27930589.

The product of its digits is 33600, while the sum is 37.

The square root of 55861174 is about 7474.0333154195. The cubic root of 55861174 is about 382.2698266317.

The spelling of 55861174 in words is "fifty-five million, eight hundred sixty-one thousand, one hundred seventy-four".