55668374 has 8 divisors (see below), whose sum is σ = 86196288. Its totient is φ = 26936280.

The previous prime is 55668373. The next prime is 55668419. The reversal of 55668374 is 47386655.

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 (55668373) 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, 448877 + ... + 449000.

It is an arithmetic number, because the mean of its divisors is an integer number (10774536).

Almost surely, 2^55668374 is an apocalyptic number.

55668374 is a deficient number, since it is larger than the sum of its proper divisors (30527914).

55668374 is a wasteful number, since it uses less digits than its factorization.

55668374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897910.

The product of its digits is 604800, while the sum is 44.

The square root of 55668374 is about 7461.1241780311. The cubic root of 55668374 is about 381.8295293027.

The spelling of 55668374 in words is "fifty-five million, six hundred sixty-eight thousand, three hundred seventy-four".