55851113 has 2 divisors, whose sum is σ = 55851114. Its totient is φ = 55851112.

The previous prime is 55851101. The next prime is 55851121. The reversal of 55851113 is 31115855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 80089 = 7468^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 55851113 - 2⁶ = 55851049 is a prime.

It is not a weakly prime, because it can be changed into another prime (55851163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27925556 + 27925557.

It is an arithmetic number, because the mean of its divisors is an integer number (27925557).

Almost surely, 2^55851113 is an apocalyptic number.

It is an amenable number.

55851113 is a deficient number, since it is larger than the sum of its proper divisors (1).

55851113 is an equidigital number, since it uses as much as digits as its factorization.

55851113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 29.

The square root of 55851113 is about 7473.3602214800. The cubic root of 55851113 is about 382.2468754035.

Adding to 55851113 its reverse (31115855), we get a palindrome (86966968).

The spelling of 55851113 in words is "fifty-five million, eight hundred fifty-one thousand, one hundred thirteen".