55837319 has 2 divisors, whose sum is σ = 55837320. Its totient is φ = 55837318.

The previous prime is 55837291. The next prime is 55837339. The reversal of 55837319 is 91373855.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55837319 - 2¹² = 55833223 is a prime.

It is a super-2 number, since 2×55837319² = 6235612386215522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55837339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27918659 + 27918660.

It is an arithmetic number, because the mean of its divisors is an integer number (27918660).

Almost surely, 2^55837319 is an apocalyptic number.

55837319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55837319 is an equidigital number, since it uses as much as digits as its factorization.

55837319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 55837319 is about 7472.4372864548. The cubic root of 55837319 is about 382.2154039475.

The spelling of 55837319 in words is "fifty-five million, eight hundred thirty-seven thousand, three hundred nineteen".