53982719 has 4 divisors (see below), whose sum is σ = 61694544. Its totient is φ = 46270896.

The previous prime is 53982689. The next prime is 53982727. The reversal of 53982719 is 91728935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91728935 = 5 ⋅18345787.

It is a de Polignac number, because none of the positive numbers 2^k-53982719 is a prime.

It is a super-2 number, since 2×53982719² = 5828267901265922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53982719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53982419) 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, 3855902 + ... + 3855915.

It is an arithmetic number, because the mean of its divisors is an integer number (15423636).

Almost surely, 2^53982719 is an apocalyptic number.

53982719 is a deficient number, since it is larger than the sum of its proper divisors (7711825).

53982719 is an equidigital number, since it uses as much as digits as its factorization.

53982719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711824.

The product of its digits is 136080, while the sum is 44.

The square root of 53982719 is about 7347.2933111453. The cubic root of 53982719 is about 377.9359908599.

The spelling of 53982719 in words is "fifty-three million, nine hundred eighty-two thousand, seven hundred nineteen".