55662174 has 64 divisors (see below), whose sum is σ = 130959360. Its totient is φ = 17496000.

The previous prime is 55662169. The next prime is 55662203. The reversal of 55662174 is 47126655.

It is a happy number.

55662174 is a `hidden beast` number, since 5 + 566 + 21 + 74 = 666.

It is a super-2 number, since 2×55662174² = 6196555228812552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68229 + ... + 69039.

It is an arithmetic number, because the mean of its divisors is an integer number (2046240).

Almost surely, 2^55662174 is an apocalyptic number.

55662174 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55662174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65479680).

55662174 is an abundant number, since it is smaller than the sum of its proper divisors (75297186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55662174 is a wasteful number, since it uses less digits than its factorization.

55662174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 888 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 55662174 is about 7460.7086794754. The cubic root of 55662174 is about 381.8153535041.

The spelling of 55662174 in words is "fifty-five million, six hundred sixty-two thousand, one hundred seventy-four".