55293760 has 56 divisors (see below), whose sum is σ = 133685280. Its totient is φ = 21778944.

The previous prime is 55293731. The next prime is 55293767. The reversal of 55293760 is 6739255.

55293760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55293767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20151 + ... + 22729.

Almost surely, 2^55293760 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 55293760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66842640).

55293760 is an abundant number, since it is smaller than the sum of its proper divisors (78391520).

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

55293760 is a wasteful number, since it uses less digits than its factorization.

55293760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 55293760 is about 7435.9774071739. The cubic root of 55293760 is about 380.9711080476.

The spelling of 55293760 in words is "fifty-five million, two hundred ninety-three thousand, seven hundred sixty".