53830491 has 32 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 29904000.

The previous prime is 53830481. The next prime is 53830501. The reversal of 53830491 is 19403835.

It is an interprime number because it is at equal distance from previous prime (53830481) and next prime (53830501).

It is not a de Polignac number, because 53830491 - 2¹⁰ = 53829467 is a prime.

It is a super-2 number, since 2×53830491² = 5795443522602162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53830411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76441 + ... + 77141.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^53830491 is an apocalyptic number.

53830491 is a deficient number, since it is larger than the sum of its proper divisors (31083429).

53830491 is a wasteful number, since it uses less digits than its factorization.

53830491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 53830491 is about 7336.9265363638. The cubic root of 53830491 is about 377.5804041999.

The spelling of 53830491 in words is "fifty-three million, eight hundred thirty thousand, four hundred ninety-one".