55256574 has 8 divisors (see below), whose sum is σ = 110513160. Its totient is φ = 18418856.

The previous prime is 55256573. The next prime is 55256611. The reversal of 55256574 is 47565255.

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

55256574 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55256573) 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, 4604709 + ... + 4604720.

It is an arithmetic number, because the mean of its divisors is an integer number (13814145).

Almost surely, 2^55256574 is an apocalyptic number.

55256574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55256574 is a wasteful number, since it uses less digits than its factorization.

55256574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209434.

The product of its digits is 210000, while the sum is 39.

The square root of 55256574 is about 7433.4765756004. The cubic root of 55256574 is about 380.8856856985.

The spelling of 55256574 in words is "fifty-five million, two hundred fifty-six thousand, five hundred seventy-four".