52645501 has 6 divisors (see below), whose sum is σ = 53566202. Its totient is φ = 51726720.

The previous prime is 52645441. The next prime is 52645507. The reversal of 52645501 is 10554625.

It can be written as a sum of positive squares in 3 ways, for example, as 14638276 + 38007225 = 3826^2 + 6165^2 .

It is not a de Polignac number, because 52645501 - 2⁹ = 52644989 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 52645501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52645507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56205 + ... + 57133.

Almost surely, 2^52645501 is an apocalyptic number.

It is an amenable number.

52645501 is a deficient number, since it is larger than the sum of its proper divisors (920701).

52645501 is an frugal number, since it uses more digits than its factorization.

52645501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52645501 is about 7255.7219489173. The cubic root of 52645501 is about 374.7892172476.

The spelling of 52645501 in words is "fifty-two million, six hundred forty-five thousand, five hundred one".