55860319 has 2 divisors, whose sum is σ = 55860320. Its totient is φ = 55860318.

The previous prime is 55860241. The next prime is 55860341. The reversal of 55860319 is 91306855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55860319 - 2⁷ = 55860191 is a prime.

It is a super-2 number, since 2×55860319² = 6240750477563522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55860619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27930159 + 27930160.

It is an arithmetic number, because the mean of its divisors is an integer number (27930160).

Almost surely, 2^55860319 is an apocalyptic number.

55860319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55860319 is an equidigital number, since it uses as much as digits as its factorization.

55860319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55860319 is about 7473.9761171682. The cubic root of 55860319 is about 382.2678763065.

The spelling of 55860319 in words is "fifty-five million, eight hundred sixty thousand, three hundred nineteen".