55752961 has 4 divisors (see below), whose sum is σ = 60821424. Its totient is φ = 50684500.

The previous prime is 55752959. The next prime is 55752971. The reversal of 55752961 is 16925755.

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 not a de Polignac number, because 55752961 - 2¹ = 55752959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55752941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534215 + ... + 2534236.

It is an arithmetic number, because the mean of its divisors is an integer number (15205356).

Almost surely, 2^55752961 is an apocalyptic number.

It is an amenable number.

55752961 is a deficient number, since it is larger than the sum of its proper divisors (5068463).

55752961 is a wasteful number, since it uses less digits than its factorization.

55752961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068462.

The product of its digits is 94500, while the sum is 40.

The square root of 55752961 is about 7466.7905421272. The cubic root of 55752961 is about 382.0228255871.

The spelling of 55752961 in words is "fifty-five million, seven hundred fifty-two thousand, nine hundred sixty-one".