53261793 has 20 divisors (see below), whose sum is σ = 85685908. Its totient is φ = 32775840.

The previous prime is 53261743. The next prime is 53261809. The reversal of 53261793 is 39716235.

53261793 is a `hidden beast` number, since 5 + 32 + 617 + 9 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21316689 + 31945104 = 4617^2 + 5652^2 .

It is not a de Polignac number, because 53261793 - 2¹³ = 53253601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53261713) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24238 + ... + 26343.

Almost surely, 2^53261793 is an apocalyptic number.

It is an amenable number.

53261793 is a deficient number, since it is larger than the sum of its proper divisors (32424115).

53261793 is a wasteful number, since it uses less digits than its factorization.

53261793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606 (or 50597 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 53261793 is about 7298.0677579754. The cubic root of 53261793 is about 376.2460311646.

The spelling of 53261793 in words is "fifty-three million, two hundred sixty-one thousand, seven hundred ninety-three".