55753320 has 64 divisors (see below), whose sum is σ = 191157120. Its totient is φ = 12743424.

The previous prime is 55753303. The next prime is 55753333. The reversal of 55753320 is 2335755.

55753320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32347 + ... + 34026.

It is an arithmetic number, because the mean of its divisors is an integer number (2986830).

Almost surely, 2^55753320 is an apocalyptic number.

It is an amenable number.

55753320 is an abundant number, since it is smaller than the sum of its proper divisors (135403800).

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

55753320 is a wasteful number, since it uses less digits than its factorization.

55753320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66394 (or 66390 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55753320 is about 7466.8145818682. The cubic root of 55753320 is about 382.0236455489.

The spelling of 55753320 in words is "fifty-five million, seven hundred fifty-three thousand, three hundred twenty".