53370387 has 16 divisors (see below), whose sum is σ = 90362880. Its totient is φ = 30497256.

The previous prime is 53370379. The next prime is 53370403. The reversal of 53370387 is 78307335.

It is not a de Polignac number, because 53370387 - 2³ = 53370379 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53370307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141003 + ... + 141380.

It is an arithmetic number, because the mean of its divisors is an integer number (5647680).

Almost surely, 2^53370387 is an apocalyptic number.

53370387 is a deficient number, since it is larger than the sum of its proper divisors (36992493).

53370387 is a wasteful number, since it uses less digits than its factorization.

53370387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282399 (or 282393 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 53370387 is about 7305.5038840589. The cubic root of 53370387 is about 376.5015634608.

The spelling of 53370387 in words is "fifty-three million, three hundred seventy thousand, three hundred eighty-seven".