55703320 has 32 divisors (see below), whose sum is σ = 126748800. Its totient is φ = 22029568.

The previous prime is 55703281. The next prime is 55703321. The reversal of 55703320 is 2330755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55703321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (3960900).

Almost surely, 2^55703320 is an apocalyptic number.

It is an amenable number.

55703320 is an abundant number, since it is smaller than the sum of its proper divisors (71045480).

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

55703320 is a wasteful number, since it uses less digits than its factorization.

55703320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747 (or 15743 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 55703320 is about 7463.4656829117. The cubic root of 55703320 is about 381.9094108262.

The spelling of 55703320 in words is "fifty-five million, seven hundred three thousand, three hundred twenty".