53992893 has 4 divisors (see below), whose sum is σ = 71990528. Its totient is φ = 35995260.

The previous prime is 53992871. The next prime is 53992921. The reversal of 53992893 is 39829935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53992893 - 2¹⁴ = 53976509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53992193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8998813 + ... + 8998818.

It is an arithmetic number, because the mean of its divisors is an integer number (17997632).

Almost surely, 2^53992893 is an apocalyptic number.

It is an amenable number.

53992893 is a deficient number, since it is larger than the sum of its proper divisors (17997635).

53992893 is a wasteful number, since it uses less digits than its factorization.

53992893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17997634.

The product of its digits is 524880, while the sum is 48.

The square root of 53992893 is about 7347.9856423376. The cubic root of 53992893 is about 377.9597322800.

The spelling of 53992893 in words is "fifty-three million, nine hundred ninety-two thousand, eight hundred ninety-three".