55195056 has 120 divisors (see below), whose sum is σ = 186979104. Its totient is φ = 14837760.

The previous prime is 55195051. The next prime is 55195067. The reversal of 55195056 is 65059155.

55195056 is a `hidden beast` number, since 551 + 9 + 50 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55195056.

It is not an unprimeable number, because it can be changed into a prime (55195051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15526 + ... + 18746.

Almost surely, 2^55195056 is an apocalyptic number.

55195056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55195056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93489552).

55195056 is an abundant number, since it is smaller than the sum of its proper divisors (131784048).

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

55195056 is a wasteful number, since it uses less digits than its factorization.

55195056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The square root of 55195056 is about 7429.3375209368. The cubic root of 55195056 is about 380.7442845657.

The spelling of 55195056 in words is "fifty-five million, one hundred ninety-five thousand, fifty-six".