55970574 has 32 divisors (see below), whose sum is σ = 123016320. Its totient is φ = 16836000.

The previous prime is 55970573. The next prime is 55970581. The reversal of 55970574 is 47507955.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55970573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6124 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (3844260).

Almost surely, 2^55970574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55970574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61508160).

55970574 is an abundant number, since it is smaller than the sum of its proper divisors (67045746).

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

55970574 is a wasteful number, since it uses less digits than its factorization.

55970574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 55970574 is about 7481.3484078741. The cubic root of 55970574 is about 382.5192130124.

The spelling of 55970574 in words is "fifty-five million, nine hundred seventy thousand, five hundred seventy-four".