53544961 has 4 divisors (see below), whose sum is σ = 53567424. Its totient is φ = 53522500.

The previous prime is 53544949. The next prime is 53544973. The reversal of 53544961 is 16944535.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16944535 = 5 ⋅3388907.

It is an interprime number because it is at equal distance from previous prime (53544949) and next prime (53544973).

It is a cyclic number.

It is not a de Polignac number, because 53544961 - 2⁵ = 53544929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53544961.

It is not an unprimeable number, because it can be changed into a prime (53544901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7165 + ... + 12586.

It is an arithmetic number, because the mean of its divisors is an integer number (13391856).

Almost surely, 2^53544961 is an apocalyptic number.

It is an amenable number.

53544961 is a deficient number, since it is larger than the sum of its proper divisors (22463).

53544961 is a wasteful number, since it uses less digits than its factorization.

53544961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462.

The product of its digits is 64800, while the sum is 37.

The square root of 53544961 is about 7317.4422443911. The cubic root of 53544961 is about 376.9116276245.

The spelling of 53544961 in words is "fifty-three million, five hundred forty-four thousand, nine hundred sixty-one".