55056510 has 96 divisors (see below), whose sum is σ = 150433920. Its totient is φ = 14486688.

The previous prime is 55056493. The next prime is 55056517. The reversal of 55056510 is 1565055.

55056510 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 651 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337689 + ... + 337851.

It is an arithmetic number, because the mean of its divisors is an integer number (1567020).

Almost surely, 2^55056510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55056510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75216960).

55056510 is an abundant number, since it is smaller than the sum of its proper divisors (95377410).

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

55056510 is a wasteful number, since it uses less digits than its factorization.

55056510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55056510 is about 7420.0074123952. The cubic root of 55056510 is about 380.4254468543.

The spelling of 55056510 in words is "fifty-five million, fifty-six thousand, five hundred ten".