53242737 has 8 divisors (see below), whose sum is σ = 71788320. Its totient is φ = 35096160.

The previous prime is 53242727. The next prime is 53242789. The reversal of 53242737 is 73724235.

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

It is not a de Polignac number, because 53242737 - 2²³ = 44854129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53242698 and 53242707.

It is not an unprimeable number, because it can be changed into a prime (53242727) 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, 99439 + ... + 99972.

It is an arithmetic number, because the mean of its divisors is an integer number (8973540).

Almost surely, 2^53242737 is an apocalyptic number.

It is an amenable number.

53242737 is a deficient number, since it is larger than the sum of its proper divisors (18545583).

53242737 is a wasteful number, since it uses less digits than its factorization.

53242737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199503.

The product of its digits is 35280, while the sum is 33.

The square root of 53242737 is about 7296.7620901329. The cubic root of 53242737 is about 376.2011547206.

The spelling of 53242737 in words is "fifty-three million, two hundred forty-two thousand, seven hundred thirty-seven".