52499811 has 16 divisors (see below), whose sum is σ = 86153984. Its totient is φ = 27692064.

The previous prime is 52499809. The next prime is 52499813. The reversal of 52499811 is 11899425.

It is an interprime number because it is at equal distance from previous prime (52499809) and next prime (52499813).

It is not a de Polignac number, because 52499811 - 2¹ = 52499809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52499811.

It is not an unprimeable number, because it can be changed into a prime (52499813) 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, 95881 + ... + 96426.

It is an arithmetic number, because the mean of its divisors is an integer number (5384624).

Almost surely, 2^52499811 is an apocalyptic number.

52499811 is a deficient number, since it is larger than the sum of its proper divisors (33654173).

52499811 is a wasteful number, since it uses less digits than its factorization.

52499811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192330.

The product of its digits is 25920, while the sum is 39.

The square root of 52499811 is about 7245.6753308439. The cubic root of 52499811 is about 374.4431700280.

The spelling of 52499811 in words is "fifty-two million, four hundred ninety-nine thousand, eight hundred eleven".