55160784 has 320 divisors, whose sum is σ = 203558400. Its totient is φ = 13934592.

The previous prime is 55160783. The next prime is 55160827. The reversal of 55160784 is 48706155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55160783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1490814 + ... + 1490850.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^55160784 is an apocalyptic number.

55160784 is a gapful number since it is divisible by the number (54) 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 55160784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101779200).

55160784 is an abundant number, since it is smaller than the sum of its proper divisors (148397616).

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

55160784 is a wasteful number, since it uses less digits than its factorization.

55160784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55160784 is about 7427.0306314166. The cubic root of 55160784 is about 380.6654636785.

The spelling of 55160784 in words is "fifty-five million, one hundred sixty thousand, seven hundred eighty-four".