53455120 has 40 divisors (see below), whose sum is σ = 128574360. Its totient is φ = 20643840.

The previous prime is 53455109. The next prime is 53455133. The reversal of 53455120 is 2155435.

It can be written as a sum of positive squares in 4 ways, for example, as 1557504 + 51897616 = 1248^2 + 7204^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9201 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (3214359).

Almost surely, 2^53455120 is an apocalyptic number.

It is an amenable number.

53455120 is an abundant number, since it is smaller than the sum of its proper divisors (75119240).

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

53455120 is a wasteful number, since it uses less digits than its factorization.

53455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23083 (or 23077 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 53455120 is about 7311.3008418475. The cubic root of 53455120 is about 376.7007078466.

The spelling of 53455120 in words is "fifty-three million, four hundred fifty-five thousand, one hundred twenty".