55053408 has 24 divisors (see below), whose sum is σ = 144515448. Its totient is φ = 18351104.

The previous prime is 55053391. The next prime is 55053433. The reversal of 55053408 is 80435055.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286641 + ... + 286832.

It is an arithmetic number, because the mean of its divisors is an integer number (6021477).

Almost surely, 2^55053408 is an apocalyptic number.

It is an amenable number.

55053408 is an abundant number, since it is smaller than the sum of its proper divisors (89462040).

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

55053408 is a wasteful number, since it uses less digits than its factorization.

55053408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573486 (or 573478 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55053408 is about 7419.7983800101. The cubic root of 55053408 is about 380.4183020625.

The spelling of 55053408 in words is "fifty-five million, fifty-three thousand, four hundred eight".