55148704 has 48 divisors (see below), whose sum is σ = 119683872. Its totient is φ = 24853248.

The previous prime is 55148699. The next prime is 55148711. The reversal of 55148704 is 40784155.

It is a self number, because there is not a number n which added to its sum of digits gives 55148704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16347 + ... + 19429.

It is an arithmetic number, because the mean of its divisors is an integer number (2493414).

Almost surely, 2^55148704 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 55148704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59841936).

55148704 is an abundant number, since it is smaller than the sum of its proper divisors (64535168).

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

55148704 is a wasteful number, since it uses less digits than its factorization.

55148704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3141 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 55148704 is about 7426.2173412849. The cubic root of 55148704 is about 380.6376735579.

The spelling of 55148704 in words is "fifty-five million, one hundred forty-eight thousand, seven hundred four".