53901591 has 8 divisors (see below), whose sum is σ = 74187264. Its totient is φ = 34775160.

The previous prime is 53901569. The next prime is 53901599. The reversal of 53901591 is 19510935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53901591 - 2⁹ = 53901079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53901599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289701 + ... + 289886.

It is an arithmetic number, because the mean of its divisors is an integer number (9273408).

Almost surely, 2^53901591 is an apocalyptic number.

53901591 is a deficient number, since it is larger than the sum of its proper divisors (20285673).

53901591 is a wasteful number, since it uses less digits than its factorization.

53901591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579621.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 53901591 is about 7341.7702906043. The cubic root of 53901591 is about 377.7465687373.

The spelling of 53901591 in words is "fifty-three million, nine hundred one thousand, five hundred ninety-one".