53507713 has 4 divisors (see below), whose sum is σ = 61151680. Its totient is φ = 45863748.

The previous prime is 53507681. The next prime is 53507719. The reversal of 53507713 is 31770535.

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 not a de Polignac number, because 53507713 - 2⁵ = 53507681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53507719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3821973 + ... + 3821986.

It is an arithmetic number, because the mean of its divisors is an integer number (15287920).

Almost surely, 2^53507713 is an apocalyptic number.

It is an amenable number.

53507713 is a deficient number, since it is larger than the sum of its proper divisors (7643967).

53507713 is an equidigital number, since it uses as much as digits as its factorization.

53507713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643966.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 53507713 is about 7314.8966499876. The cubic root of 53507713 is about 376.8242091217.

The spelling of 53507713 in words is "fifty-three million, five hundred seven thousand, seven hundred thirteen".