53038380 has 24 divisors (see below), whose sum is σ = 148507632. Its totient is φ = 14143552.

The previous prime is 53038357. The next prime is 53038387. The reversal of 53038380 is 8383035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53038387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441927 + ... + 442046.

It is an arithmetic number, because the mean of its divisors is an integer number (6187818).

Almost surely, 2^53038380 is an apocalyptic number.

It is an amenable number.

53038380 is an abundant number, since it is smaller than the sum of its proper divisors (95469252).

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

53038380 is a wasteful number, since it uses less digits than its factorization.

53038380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883985 (or 883983 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53038380 is about 7282.7453614691. The cubic root of 53038380 is about 375.7192241403.

The spelling of 53038380 in words is "fifty-three million, thirty-eight thousand, three hundred eighty".