55353960 has 96 divisors (see below), whose sum is σ = 181116000. Its totient is φ = 14661504.

The previous prime is 55353917. The next prime is 55353967. The reversal of 55353960 is 6935355.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55353967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64011 + ... + 64869.

It is an arithmetic number, because the mean of its divisors is an integer number (1886625).

Almost surely, 2^55353960 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 55353960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90558000).

55353960 is an abundant number, since it is smaller than the sum of its proper divisors (125762040).

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

55353960 is a wasteful number, since it uses less digits than its factorization.

55353960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

The square root of 55353960 is about 7440.0241935091. The cubic root of 55353960 is about 381.1093161841.

The spelling of 55353960 in words is "fifty-five million, three hundred fifty-three thousand, nine hundred sixty".