53975761 has 4 divisors (see below), whose sum is σ = 61686592. Its totient is φ = 46264932.

The previous prime is 53975759. The next prime is 53975767. The reversal of 53975761 is 16757935.

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 not a de Polignac number, because 53975761 - 2¹ = 53975759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53975767) 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, 3855405 + ... + 3855418.

It is an arithmetic number, because the mean of its divisors is an integer number (15421648).

Almost surely, 2^53975761 is an apocalyptic number.

It is an amenable number.

53975761 is a deficient number, since it is larger than the sum of its proper divisors (7710831).

53975761 is an equidigital number, since it uses as much as digits as its factorization.

53975761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710830.

The product of its digits is 198450, while the sum is 43.

The square root of 53975761 is about 7346.8197881805. The cubic root of 53975761 is about 377.9197523817.

The spelling of 53975761 in words is "fifty-three million, nine hundred seventy-five thousand, seven hundred sixty-one".