53025408 has 128 divisors (see below), whose sum is σ = 159528000. Its totient is φ = 17335296.

The previous prime is 53025391. The next prime is 53025449. The reversal of 53025408 is 80452035.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231438 + ... + 231666.

Almost surely, 2^53025408 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 53025408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79764000).

53025408 is an abundant number, since it is smaller than the sum of its proper divisors (106502592).

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

53025408 is a wasteful number, since it uses less digits than its factorization.

53025408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 53025408 is about 7281.8547087950. The cubic root of 53025408 is about 375.6885908066.

The spelling of 53025408 in words is "fifty-three million, twenty-five thousand, four hundred eight".