55401708 has 48 divisors (see below), whose sum is σ = 139224960. Its totient is φ = 17082624.

The previous prime is 55401677. The next prime is 55401721. The reversal of 55401708 is 80710455.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9735 + ... + 14337.

It is an arithmetic number, because the mean of its divisors is an integer number (2900520).

Almost surely, 2^55401708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55401708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69612480).

55401708 is an abundant number, since it is smaller than the sum of its proper divisors (83823252).

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

55401708 is a wasteful number, since it uses less digits than its factorization.

55401708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 55401708 is about 7443.2323623544. The cubic root of 55401708 is about 381.2188655754.

The spelling of 55401708 in words is "fifty-five million, four hundred one thousand, seven hundred eight".