53712691 has 8 divisors (see below), whose sum is σ = 54864864. Its totient is φ = 52565760.

The previous prime is 53712689. The next prime is 53712713. The reversal of 53712691 is 19621735.

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

It is a cyclic number.

It is not a de Polignac number, because 53712691 - 2¹ = 53712689 is a prime.

It is a super-2 number, since 2×53712691² = 5770106348922962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53712671) 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, 24771 + ... + 26851.

It is an arithmetic number, because the mean of its divisors is an integer number (6858108).

Almost surely, 2^53712691 is an apocalyptic number.

53712691 is a deficient number, since it is larger than the sum of its proper divisors (1152173).

53712691 is a wasteful number, since it uses less digits than its factorization.

53712691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621.

The product of its digits is 11340, while the sum is 34.

The square root of 53712691 is about 7328.8942549337. The cubic root of 53712691 is about 377.3047769146.

The spelling of 53712691 in words is "fifty-three million, seven hundred twelve thousand, six hundred ninety-one".