53901399 has 4 divisors (see below), whose sum is σ = 71868536. Its totient is φ = 35934264.

The previous prime is 53901389. The next prime is 53901409. The reversal of 53901399 is 99310935.

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

It is an interprime number because it is at equal distance from previous prime (53901389) and next prime (53901409).

It is not a de Polignac number, because 53901399 - 2⁴ = 53901383 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 (53901319) 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, 8983564 + ... + 8983569.

It is an arithmetic number, because the mean of its divisors is an integer number (17967134).

Almost surely, 2^53901399 is an apocalyptic number.

53901399 is a deficient number, since it is larger than the sum of its proper divisors (17967137).

53901399 is a wasteful number, since it uses less digits than its factorization.

53901399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17967136.

The product of its (nonzero) digits is 32805, while the sum is 39.

The square root of 53901399 is about 7341.7572147273. The cubic root of 53901399 is about 377.7461202198.

The spelling of 53901399 in words is "fifty-three million, nine hundred one thousand, three hundred ninety-nine".