53692387 has 12 divisors (see below), whose sum is σ = 62643456. Its totient is φ = 45885840.

The previous prime is 53692381. The next prime is 53692447. The reversal of 53692387 is 78329635.

It is a de Polignac number, because none of the positive numbers 2^k-53692387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53692381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17337 + ... + 20197.

It is an arithmetic number, because the mean of its divisors is an integer number (5220288).

Almost surely, 2^53692387 is an apocalyptic number.

53692387 is a deficient number, since it is larger than the sum of its proper divisors (8951069).

53692387 is a wasteful number, since it uses less digits than its factorization.

53692387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3251 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 53692387 is about 7327.5089218642. The cubic root of 53692387 is about 377.2572291095.

The spelling of 53692387 in words is "fifty-three million, six hundred ninety-two thousand, three hundred eighty-seven".