52519749 has 16 divisors (see below), whose sum is σ = 74452608. Its totient is φ = 32817152.

The previous prime is 52519723. The next prime is 52519769. The reversal of 52519749 is 94791525.

It is a cyclic number.

It is not a de Polignac number, because 52519749 - 2⁵ = 52519717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52519749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52519769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11104 + ... + 15110.

It is an arithmetic number, because the mean of its divisors is an integer number (4653288).

Almost surely, 2^52519749 is an apocalyptic number.

It is an amenable number.

52519749 is a deficient number, since it is larger than the sum of its proper divisors (21932859).

52519749 is a wasteful number, since it uses less digits than its factorization.

52519749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 113400, while the sum is 42.

The square root of 52519749 is about 7247.0510554294. The cubic root of 52519749 is about 374.4905651386.

The spelling of 52519749 in words is "fifty-two million, five hundred nineteen thousand, seven hundred forty-nine".