53347657 has 4 divisors (see below), whose sum is σ = 58197456. Its totient is φ = 48497860.

The previous prime is 53347631. The next prime is 53347681. The reversal of 53347657 is 75674335.

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 53347657 - 2⁷ = 53347529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53347157) 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, 2424883 + ... + 2424904.

It is an arithmetic number, because the mean of its divisors is an integer number (14549364).

Almost surely, 2^53347657 is an apocalyptic number.

It is an amenable number.

53347657 is a deficient number, since it is larger than the sum of its proper divisors (4849799).

53347657 is a wasteful number, since it uses less digits than its factorization.

53347657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849798.

The product of its digits is 264600, while the sum is 40.

The square root of 53347657 is about 7303.9480419839. The cubic root of 53347657 is about 376.4481062521.

The spelling of 53347657 in words is "fifty-three million, three hundred forty-seven thousand, six hundred fifty-seven".