52645061 has 6 divisors (see below), whose sum is σ = 61240230. Its totient is φ = 45124296.

The previous prime is 52645027. The next prime is 52645081. The reversal of 52645061 is 16054625.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 2660161 = 7070^2 + 1631^2 .

It is not a de Polignac number, because 52645061 - 2¹⁸ = 52382917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52645081) 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, 537146 + ... + 537243.

It is an arithmetic number, because the mean of its divisors is an integer number (10206705).

Almost surely, 2^52645061 is an apocalyptic number.

It is an amenable number.

52645061 is a deficient number, since it is larger than the sum of its proper divisors (8595169).

52645061 is a wasteful number, since it uses less digits than its factorization.

52645061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074403 (or 1074396 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52645061 is about 7255.6916279566. The cubic root of 52645061 is about 374.7881731083.

Adding to 52645061 its reverse (16054625), we get a palindrome (68699686).

The spelling of 52645061 in words is "fifty-two million, six hundred forty-five thousand, sixty-one".