55056574 has 8 divisors (see below), whose sum is σ = 87442848. Its totient is φ = 25908960.

The previous prime is 55056571. The next prime is 55056577. The reversal of 55056574 is 47565055.

It is an interprime number because it is at equal distance from previous prime (55056571) and next prime (55056577).

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 (55056571) 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, 809622 + ... + 809689.

It is an arithmetic number, because the mean of its divisors is an integer number (10930356).

Almost surely, 2^55056574 is an apocalyptic number.

55056574 is a deficient number, since it is larger than the sum of its proper divisors (32386274).

55056574 is a wasteful number, since it uses less digits than its factorization.

55056574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619330.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 55056574 is about 7420.0117250581. The cubic root of 55056574 is about 380.4255942617.

The spelling of 55056574 in words is "fifty-five million, fifty-six thousand, five hundred seventy-four".