53722619 has 4 divisors (see below), whose sum is σ = 53760096. Its totient is φ = 53685144.

The previous prime is 53722589. The next prime is 53722621. The reversal of 53722619 is 91622735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91622735 = 5 ⋅18324547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53722619 is a prime.

It is a super-2 number, since 2×53722619² = 5772239584438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53722679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16499 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (13440024).

Almost surely, 2^53722619 is an apocalyptic number.

53722619 is a deficient number, since it is larger than the sum of its proper divisors (37477).

53722619 is a wasteful number, since it uses less digits than its factorization.

53722619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37476.

The product of its digits is 22680, while the sum is 35.

The square root of 53722619 is about 7329.5715427302. The cubic root of 53722619 is about 377.3280218932.

The spelling of 53722619 in words is "fifty-three million, seven hundred twenty-two thousand, six hundred nineteen".