53640701 has 4 divisors (see below), whose sum is σ = 54050304. Its totient is φ = 53231100.

The previous prime is 53640689. The next prime is 53640707. The reversal of 53640701 is 10704635.

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 53640701 - 2⁶ = 53640637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53640707) 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, 204605 + ... + 204866.

It is an arithmetic number, because the mean of its divisors is an integer number (13512576).

Almost surely, 2^53640701 is an apocalyptic number.

It is an amenable number.

53640701 is a deficient number, since it is larger than the sum of its proper divisors (409603).

53640701 is a wasteful number, since it uses less digits than its factorization.

53640701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409602.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 53640701 is about 7323.9812260819. The cubic root of 53640701 is about 377.1361369750.

The spelling of 53640701 in words is "fifty-three million, six hundred forty thousand, seven hundred one".