60855551 has 2 divisors, whose sum is σ = 60855552. Its totient is φ = 60855550.

The previous prime is 60855541. The next prime is 60855577. The reversal of 60855551 is 15555806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60855551 - 2²² = 56661247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60855541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30427775 + 30427776.

It is an arithmetic number, because the mean of its divisors is an integer number (30427776).

Almost surely, 2^60855551 is an apocalyptic number.

60855551 is a deficient number, since it is larger than the sum of its proper divisors (1).

60855551 is an equidigital number, since it uses as much as digits as its factorization.

60855551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 60855551 is about 7800.9967952820. The cubic root of 60855551 is about 393.3387497259.

The spelling of 60855551 in words is "sixty million, eight hundred fifty-five thousand, five hundred fifty-one".