52399501 has 16 divisors (see below), whose sum is σ = 66723840. Its totient is φ = 39959280.

The previous prime is 52399489. The next prime is 52399519. The reversal of 52399501 is 10599325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52399501 - 2⁹ = 52398989 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 (52399531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3621 + ... + 10858.

It is an arithmetic number, because the mean of its divisors is an integer number (4170240).

Almost surely, 2^52399501 is an apocalyptic number.

It is an amenable number.

52399501 is a deficient number, since it is larger than the sum of its proper divisors (14324339).

52399501 is a wasteful number, since it uses less digits than its factorization.

52399501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14544.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 52399501 is about 7238.7499611466. The cubic root of 52399501 is about 374.2045384281.

It can be divided in two parts, 52399 and 501, that added together give a square (52900 = 230²).

The spelling of 52399501 in words is "fifty-two million, three hundred ninety-nine thousand, five hundred one".