55078848 has 84 divisors (see below), whose sum is σ = 172245528. Its totient is φ = 16688640.

The previous prime is 55078823. The next prime is 55078873. The reversal of 55078848 is 84887055.

It is an interprime number because it is at equal distance from previous prime (55078823) and next prime (55078873).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1990 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (2050542).

Almost surely, 2^55078848 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 55078848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86122764).

55078848 is an abundant number, since it is smaller than the sum of its proper divisors (117166680).

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

55078848 is a wasteful number, since it uses less digits than its factorization.

55078848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 55078848 is about 7421.5125143060. The cubic root of 55078848 is about 380.4768897239.

The spelling of 55078848 in words is "fifty-five million, seventy-eight thousand, eight hundred forty-eight".