52481719 has 4 divisors (see below), whose sum is σ = 52713144. Its totient is φ = 52250296.

The previous prime is 52481707. The next prime is 52481747. The reversal of 52481719 is 91718425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52481719 - 2⁵ = 52481687 is a prime.

It is a super-2 number, since 2×52481719² = 5508661658389922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52481749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115372 + ... + 115825.

It is an arithmetic number, because the mean of its divisors is an integer number (13178286).

Almost surely, 2^52481719 is an apocalyptic number.

52481719 is a deficient number, since it is larger than the sum of its proper divisors (231425).

52481719 is a wasteful number, since it uses less digits than its factorization.

52481719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231424.

The product of its digits is 20160, while the sum is 37.

The square root of 52481719 is about 7244.4267544092. The cubic root of 52481719 is about 374.4001527039.

The spelling of 52481719 in words is "fifty-two million, four hundred eighty-one thousand, seven hundred nineteen".