53396023 has 4 divisors (see below), whose sum is σ = 56206360. Its totient is φ = 50585688.

The previous prime is 53396011. The next prime is 53396039. The reversal of 53396023 is 32069335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53396023 - 2¹⁷ = 53264951 is a prime.

It is a super-2 number, since 2×53396023² = 5702270544433058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53396053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405140 + ... + 1405177.

It is an arithmetic number, because the mean of its divisors is an integer number (14051590).

Almost surely, 2^53396023 is an apocalyptic number.

53396023 is a deficient number, since it is larger than the sum of its proper divisors (2810337).

53396023 is a wasteful number, since it uses less digits than its factorization.

53396023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810336.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 53396023 is about 7307.2582409547. The cubic root of 53396023 is about 376.5618368921.

The spelling of 53396023 in words is "fifty-three million, three hundred ninety-six thousand, twenty-three".