53450693 has 4 divisors (see below), whose sum is σ = 53506380. Its totient is φ = 53395008.

The previous prime is 53450671. The next prime is 53450711. The reversal of 53450693 is 39605435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39605435 = 5 ⋅7921087.

It can be written as a sum of positive squares in 2 ways, for example, as 37185604 + 16265089 = 6098^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 53450693 - 2⁸ = 53450437 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 (53450623) 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, 26378 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (13376595).

Almost surely, 2^53450693 is an apocalyptic number.

It is an amenable number.

53450693 is a deficient number, since it is larger than the sum of its proper divisors (55687).

53450693 is an equidigital number, since it uses as much as digits as its factorization.

53450693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55686.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 53450693 is about 7310.9980850770. The cubic root of 53450693 is about 376.6903084681.

The spelling of 53450693 in words is "fifty-three million, four hundred fifty thousand, six hundred ninety-three".