52419681 has 6 divisors (see below), whose sum is σ = 75717330. Its totient is φ = 34946448.

The previous prime is 52419677. The next prime is 52419701. The reversal of 52419681 is 18691425.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 1782225 = 7116^2 + 1335^2 .

It is not a de Polignac number, because 52419681 - 2² = 52419677 is a prime.

It is a super-2 number, since 2×52419681² = 5495645912283522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52412681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2912196 + ... + 2912213.

It is an arithmetic number, because the mean of its divisors is an integer number (12619555).

Almost surely, 2^52419681 is an apocalyptic number.

It is an amenable number.

52419681 is a deficient number, since it is larger than the sum of its proper divisors (23297649).

52419681 is a wasteful number, since it uses less digits than its factorization.

52419681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824415 (or 5824412 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 52419681 is about 7240.1437140433. The cubic root of 52419681 is about 374.2525699185.

The spelling of 52419681 in words is "fifty-two million, four hundred nineteen thousand, six hundred eighty-one".