53500407 has 16 divisors (see below), whose sum is σ = 72397152. Its totient is φ = 35139200.

The previous prime is 53500393. The next prime is 53500427. The reversal of 53500407 is 70400535.

It is a cyclic number.

It is not a de Polignac number, because 53500407 - 2¹⁵ = 53467639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53500427) 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, 95773 + ... + 96329.

It is an arithmetic number, because the mean of its divisors is an integer number (4524822).

Almost surely, 2^53500407 is an apocalyptic number.

53500407 is a deficient number, since it is larger than the sum of its proper divisors (18896745).

53500407 is a wasteful number, since it uses less digits than its factorization.

53500407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53500407 is about 7314.3972410582. The cubic root of 53500407 is about 376.8070576817.

The spelling of 53500407 in words is "fifty-three million, five hundred thousand, four hundred seven".