53538737 has 4 divisors (see below), whose sum is σ = 61187136. Its totient is φ = 45890340.

The previous prime is 53538707. The next prime is 53538739. The reversal of 53538737 is 73783535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53538737 - 2¹² = 53534641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53538694 and 53538703.

It is not an unprimeable number, because it can be changed into a prime (53538739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824189 + ... + 3824202.

It is an arithmetic number, because the mean of its divisors is an integer number (15296784).

Almost surely, 2^53538737 is an apocalyptic number.

It is an amenable number.

53538737 is a deficient number, since it is larger than the sum of its proper divisors (7648399).

53538737 is an equidigital number, since it uses as much as digits as its factorization.

53538737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648398.

The product of its digits is 264600, while the sum is 41.

The square root of 53538737 is about 7317.0169468165. The cubic root of 53538737 is about 376.8970231449.

The spelling of 53538737 in words is "fifty-three million, five hundred thirty-eight thousand, seven hundred thirty-seven".