55852987 has 2 divisors, whose sum is σ = 55852988. Its totient is φ = 55852986.

The previous prime is 55852969. The next prime is 55853011. The reversal of 55852987 is 78925855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55852987 - 2¹¹ = 55850939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55852987.

It is not a weakly prime, because it can be changed into another prime (55852087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27926493 + 27926494.

It is an arithmetic number, because the mean of its divisors is an integer number (27926494).

Almost surely, 2^55852987 is an apocalyptic number.

55852987 is a deficient number, since it is larger than the sum of its proper divisors (1).

55852987 is an equidigital number, since it uses as much as digits as its factorization.

55852987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 49.

The square root of 55852987 is about 7473.4855991030. The cubic root of 55852987 is about 382.2511505952.

The spelling of 55852987 in words is "fifty-five million, eight hundred fifty-two thousand, nine hundred eighty-seven".