53812957 has 4 divisors (see below), whose sum is σ = 58705056. Its totient is φ = 48920860.

The previous prime is 53812943. The next prime is 53812963. The reversal of 53812957 is 75921835.

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 a de Polignac number, because none of the positive numbers 2^k-53812957 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53812907) 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, 2446033 + ... + 2446054.

It is an arithmetic number, because the mean of its divisors is an integer number (14676264).

Almost surely, 2^53812957 is an apocalyptic number.

It is an amenable number.

53812957 is a deficient number, since it is larger than the sum of its proper divisors (4892099).

53812957 is a wasteful number, since it uses less digits than its factorization.

53812957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892098.

The product of its digits is 75600, while the sum is 40.

The square root of 53812957 is about 7335.7315245311. The cubic root of 53812957 is about 377.5394038076.

It can be divided in two parts, 5381 and 2957, that added together give a palindrome (8338).

The spelling of 53812957 in words is "fifty-three million, eight hundred twelve thousand, nine hundred fifty-seven".