53386380 has 36 divisors (see below), whose sum is σ = 161939232. Its totient is φ = 14236320.

The previous prime is 53386369. The next prime is 53386397. The reversal of 53386380 is 8368335.

53386380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148116 + ... + 148475.

It is an arithmetic number, because the mean of its divisors is an integer number (4498312).

Almost surely, 2^53386380 is an apocalyptic number.

It is an amenable number.

53386380 is an abundant number, since it is smaller than the sum of its proper divisors (108552852).

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

53386380 is a wasteful number, since it uses less digits than its factorization.

53386380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296606 (or 296601 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53386380 is about 7306.5983877588. The cubic root of 53386380 is about 376.5391672612.

The spelling of 53386380 in words is "fifty-three million, three hundred eighty-six thousand, three hundred eighty".