53079749 has 8 divisors (see below), whose sum is σ = 56112000. Its totient is φ = 50071392.

The previous prime is 53079743. The next prime is 53079751. The reversal of 53079749 is 94797035.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53079749 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 (53079743) 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, 1304 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (7014000).

Almost surely, 2^53079749 is an apocalyptic number.

It is an amenable number.

53079749 is a deficient number, since it is larger than the sum of its proper divisors (3032251).

53079749 is a wasteful number, since it uses less digits than its factorization.

53079749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 53079749 is about 7285.5850142593. The cubic root of 53079749 is about 375.8168835409.

The spelling of 53079749 in words is "fifty-three million, seventy-nine thousand, seven hundred forty-nine".