55013851 has 2 divisors, whose sum is σ = 55013852. Its totient is φ = 55013850.

The previous prime is 55013839. The next prime is 55013869. The reversal of 55013851 is 15831055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55013851 - 2¹⁵ = 54981083 is a prime.

It is not a weakly prime, because it can be changed into another prime (55013801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27506925 + 27506926.

It is an arithmetic number, because the mean of its divisors is an integer number (27506926).

Almost surely, 2^55013851 is an apocalyptic number.

55013851 is a deficient number, since it is larger than the sum of its proper divisors (1).

55013851 is an equidigital number, since it uses as much as digits as its factorization.

55013851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 55013851 is about 7417.1322625392. The cubic root of 55013851 is about 380.3271674539.

The spelling of 55013851 in words is "fifty-five million, thirteen thousand, eight hundred fifty-one".