52099479 has 24 divisors (see below), whose sum is σ = 77523264. Its totient is φ = 33696000.

The previous prime is 52099423. The next prime is 52099507. The reversal of 52099479 is 97499025.

It is not a de Polignac number, because 52099479 - 2⁹ = 52098967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52099409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99739 + ... + 100259.

It is an arithmetic number, because the mean of its divisors is an integer number (3230136).

Almost surely, 2^52099479 is an apocalyptic number.

52099479 is a deficient number, since it is larger than the sum of its proper divisors (25423785).

52099479 is a wasteful number, since it uses less digits than its factorization.

52099479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

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

The square root of 52099479 is about 7217.9968827923. The cubic root of 52099479 is about 373.4889810354.

Adding to 52099479 its sum of digits (45), we get a square (52099524 = 7218²).

It can be divided in two parts, 520 and 99479, that added together give a palindrome (99999).

The spelling of 52099479 in words is "fifty-two million, ninety-nine thousand, four hundred seventy-nine".