53383040 has 64 divisors (see below), whose sum is σ = 128520000. Its totient is φ = 21202944.

The previous prime is 53383039. The next prime is 53383061. The reversal of 53383040 is 4038335.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 152786 + ... + 153134.

It is an arithmetic number, because the mean of its divisors is an integer number (2008125).

Almost surely, 2^53383040 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 53383040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64260000).

53383040 is an abundant number, since it is smaller than the sum of its proper divisors (75136960).

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

53383040 is a wasteful number, since it uses less digits than its factorization.

53383040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 53383040 is about 7306.3698236539. The cubic root of 53383040 is about 376.5313146526.

The spelling of 53383040 in words is "fifty-three million, three hundred eighty-three thousand, forty".