52799949 has 6 divisors (see below), whose sum is σ = 76266606. Its totient is φ = 35199960.

The previous prime is 52799947. The next prime is 52799983. The reversal of 52799949 is 94999725.

It can be written as a sum of positive squares in only one way, i.e., 35784324 + 17015625 = 5982^2 + 4125^2 .

It is not a de Polignac number, because 52799949 - 2¹ = 52799947 is a prime.

It is a super-2 number, since 2×52799949² = 5575669228805202, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52799895 and 52799904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52799947) 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, 2933322 + ... + 2933339.

It is an arithmetic number, because the mean of its divisors is an integer number (12711101).

Almost surely, 2^52799949 is an apocalyptic number.

It is an amenable number.

52799949 is a deficient number, since it is larger than the sum of its proper divisors (23466657).

52799949 is a wasteful number, since it uses less digits than its factorization.

52799949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866667 (or 5866664 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 52799949 is about 7266.3573405111. The cubic root of 52799949 is about 375.1553702846.

The spelling of 52799949 in words is "fifty-two million, seven hundred ninety-nine thousand, nine hundred forty-nine".