55142174 has 8 divisors (see below), whose sum is σ = 82751760. Its totient is φ = 27558256.

The previous prime is 55142147. The next prime is 55142179. The reversal of 55142174 is 47124155.

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 (55142179) 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, 407 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (10343970).

Almost surely, 2^55142174 is an apocalyptic number.

55142174 is a deficient number, since it is larger than the sum of its proper divisors (27609586).

55142174 is a wasteful number, since it uses less digits than its factorization.

55142174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12834.

The product of its digits is 5600, while the sum is 29.

The square root of 55142174 is about 7425.7776697124. Note that the first 3 decimals coincide. The cubic root of 55142174 is about 380.6226495595.

The spelling of 55142174 in words is "fifty-five million, one hundred forty-two thousand, one hundred seventy-four".