52799661 has 8 divisors (see below), whose sum is σ = 78221760. Its totient is φ = 35199756.

The previous prime is 52799639. The next prime is 52799683. The reversal of 52799661 is 16699725.

It is a happy number.

52799661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52799639) and next prime (52799683).

It is not a de Polignac number, because 52799661 - 2¹⁸ = 52537517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52799611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977745 + ... + 977798.

It is an arithmetic number, because the mean of its divisors is an integer number (9777720).

Almost surely, 2^52799661 is an apocalyptic number.

It is an amenable number.

52799661 is a deficient number, since it is larger than the sum of its proper divisors (25422099).

52799661 is a wasteful number, since it uses less digits than its factorization.

52799661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955552 (or 1955546 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 52799661 is about 7266.3375231268. The cubic root of 52799661 is about 375.1546881821.

The spelling of 52799661 in words is "fifty-two million, seven hundred ninety-nine thousand, six hundred sixty-one".