53619331 has 2 divisors, whose sum is σ = 53619332. Its totient is φ = 53619330.

The previous prime is 53619329. The next prime is 53619337. The reversal of 53619331 is 13391635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53619331 - 2¹ = 53619329 is a prime.

It is a super-2 number, since 2×53619331² = 5750065313775122, which contains 22 as substring.

Together with 53619329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53619293 and 53619302.

It is not a weakly prime, because it can be changed into another prime (53619337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26809665 + 26809666.

It is an arithmetic number, because the mean of its divisors is an integer number (26809666).

Almost surely, 2^53619331 is an apocalyptic number.

53619331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53619331 is an equidigital number, since it uses as much as digits as its factorization.

53619331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 31.

The square root of 53619331 is about 7322.5221747701. The cubic root of 53619331 is about 377.0860477107.

The spelling of 53619331 in words is "fifty-three million, six hundred nineteen thousand, three hundred thirty-one".