55411776 has 168 divisors, whose sum is σ = 188610240. Its totient is φ = 15800832.

The previous prime is 55411757. The next prime is 55411781. The reversal of 55411776 is 67711455.

It is a tau number, because it is divible by the number of its divisors (168).

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 55411776.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108610 + ... + 109118.

It is an arithmetic number, because the mean of its divisors is an integer number (1122680).

Almost surely, 2^55411776 is an apocalyptic number.

55411776 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 55411776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94305120).

55411776 is an abundant number, since it is smaller than the sum of its proper divisors (133198464).

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

55411776 is an equidigital number, since it uses as much as digits as its factorization.

55411776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 521 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 55411776 is about 7443.9086507023. The cubic root of 55411776 is about 381.2419567953.

The spelling of 55411776 in words is "fifty-five million, four hundred eleven thousand, seven hundred seventy-six".