55295760 has 160 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 13215744.

The previous prime is 55295753. The next prime is 55295767. The reversal of 55295760 is 6759255.

It is an interprime number because it is at equal distance from previous prime (55295753) and next prime (55295767).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (55295767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115201 + ... + 115679.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^55295760 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 55295760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94993920).

55295760 is an abundant number, since it is smaller than the sum of its proper divisors (134692080).

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

55295760 is a wasteful number, since it uses less digits than its factorization.

55295760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 55295760 is about 7436.1118872701. Note that the first 3 decimals coincide. The cubic root of 55295760 is about 380.9757012906.

The spelling of 55295760 in words is "fifty-five million, two hundred ninety-five thousand, seven hundred sixty".