53910697 has 4 divisors (see below), whose sum is σ = 54051840. Its totient is φ = 53769556.

The previous prime is 53910677. The next prime is 53910707. The reversal of 53910697 is 79601935.

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 53910697 - 2⁷ = 53910569 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53910607) 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, 69997 + ... + 70762.

It is an arithmetic number, because the mean of its divisors is an integer number (13512960).

Almost surely, 2^53910697 is an apocalyptic number.

It is an amenable number.

53910697 is a deficient number, since it is larger than the sum of its proper divisors (141143).

53910697 is a wasteful number, since it uses less digits than its factorization.

53910697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141142.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 53910697 is about 7342.3904145721. The cubic root of 53910697 is about 377.7678393932.

It can be divided in two parts, 539 and 10697, that added together give a square (11236 = 106²).

The spelling of 53910697 in words is "fifty-three million, nine hundred ten thousand, six hundred ninety-seven".