52761001 has 4 divisors (see below), whose sum is σ = 54187012. Its totient is φ = 51334992.

The previous prime is 52760999. The next prime is 52761017. The reversal of 52761001 is 10016725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27248400 + 25512601 = 5220^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 52761001 - 2¹ = 52760999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52761041) 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, 712950 + ... + 713023.

It is an arithmetic number, because the mean of its divisors is an integer number (13546753).

Almost surely, 2^52761001 is an apocalyptic number.

It is an amenable number.

52761001 is a deficient number, since it is larger than the sum of its proper divisors (1426011).

52761001 is a wasteful number, since it uses less digits than its factorization.

52761001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426010.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 52761001 is about 7263.6768237581. The cubic root of 52761001 is about 375.0631028623.

Adding to 52761001 its reverse (10016725), we get a palindrome (62777726).

The spelling of 52761001 in words is "fifty-two million, seven hundred sixty-one thousand, one".