55085374 has 4 divisors (see below), whose sum is σ = 82628064. Its totient is φ = 27542686.

The previous prime is 55085309. The next prime is 55085399. The reversal of 55085374 is 47358055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47358055 = 5 ⋅9471611.

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, 13771342 + ... + 13771345.

It is an arithmetic number, because the mean of its divisors is an integer number (20657016).

Almost surely, 2^55085374 is an apocalyptic number.

55085374 is a deficient number, since it is larger than the sum of its proper divisors (27542690).

55085374 is a wasteful number, since it uses less digits than its factorization.

55085374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27542689.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 55085374 is about 7421.9521690725. The cubic root of 55085374 is about 380.4919160254.

The spelling of 55085374 in words is "fifty-five million, eighty-five thousand, three hundred seventy-four".