55561174 has 8 divisors (see below), whose sum is σ = 84396960. Its totient is φ = 27428856.

The previous prime is 55561171. The next prime is 55561193. The reversal of 55561174 is 47116555.

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 (55561171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175669 + ... + 175984.

It is an arithmetic number, because the mean of its divisors is an integer number (10549620).

Almost surely, 2^55561174 is an apocalyptic number.

55561174 is a deficient number, since it is larger than the sum of its proper divisors (28835786).

55561174 is a wasteful number, since it uses less digits than its factorization.

55561174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351734.

The product of its digits is 21000, while the sum is 34.

The square root of 55561174 is about 7453.9368121819. The cubic root of 55561174 is about 381.5842767776.

The spelling of 55561174 in words is "fifty-five million, five hundred sixty-one thousand, one hundred seventy-four".