55531874 has 8 divisors (see below), whose sum is σ = 83341020. Its totient is φ = 27751536.

The previous prime is 55531859. The next prime is 55531891. The reversal of 55531874 is 47813555.

It can be written as a sum of positive squares in 2 ways, for example, as 51940849 + 3591025 = 7207^2 + 1895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469 + ... + 10640.

Almost surely, 2^55531874 is an apocalyptic number.

55531874 is a deficient number, since it is larger than the sum of its proper divisors (27809146).

55531874 is a wasteful number, since it uses less digits than its factorization.

55531874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14404.

The product of its digits is 84000, while the sum is 38.

The square root of 55531874 is about 7451.9711486291. The cubic root of 55531874 is about 381.5171892511.

The spelling of 55531874 in words is "fifty-five million, five hundred thirty-one thousand, eight hundred seventy-four".