55083120 has 80 divisors (see below), whose sum is σ = 171572352. Its totient is φ = 14618880.

The previous prime is 55083103. The next prime is 55083143. The reversal of 55083120 is 2138055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 67515 + ... + 68325.

Almost surely, 2^55083120 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 55083120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85786176).

55083120 is an abundant number, since it is smaller than the sum of its proper divisors (116489232).

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

55083120 is a wasteful number, since it uses less digits than its factorization.

55083120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55083120 is about 7421.8003206769. The cubic root of 55083120 is about 380.4867262602.

The spelling of 55083120 in words is "fifty-five million, eighty-three thousand, one hundred twenty".