53440607 has 16 divisors (see below), whose sum is σ = 60220800. Its totient is φ = 47007840.

The previous prime is 53440573. The next prime is 53440609. The reversal of 53440607 is 70604435.

It is not a de Polignac number, because 53440607 - 2²⁰ = 52392031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53440607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42869 + ... + 44097.

It is an arithmetic number, because the mean of its divisors is an integer number (3763800).

Almost surely, 2^53440607 is an apocalyptic number.

53440607 is a deficient number, since it is larger than the sum of its proper divisors (6780193).

53440607 is a wasteful number, since it uses less digits than its factorization.

53440607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 53440607 is about 7310.3082698338. The cubic root of 53440607 is about 376.6666134997. Note that the first 4 decimals are identical.

The spelling of 53440607 in words is "fifty-three million, four hundred forty thousand, six hundred seven".