53023749 has 8 divisors (see below), whose sum is σ = 71054400. Its totient is φ = 35171136.

The previous prime is 53023741. The next prime is 53023753. The reversal of 53023749 is 94732035.

It is a happy number.

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

It is not a de Polignac number, because 53023749 - 2³ = 53023741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023741) 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, 43812 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (8881800).

Almost surely, 2^53023749 is an apocalyptic number.

It is an amenable number.

53023749 is a deficient number, since it is larger than the sum of its proper divisors (18030651).

53023749 is a wasteful number, since it uses less digits than its factorization.

53023749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89019.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53023749 is about 7281.7407946177. The cubic root of 53023749 is about 375.6846727235.

The spelling of 53023749 in words is "fifty-three million, twenty-three thousand, seven hundred forty-nine".