55953656851 has 2 divisors, whose sum is σ = 55953656852. Its totient is φ = 55953656850.

The previous prime is 55953656807. The next prime is 55953656873. The reversal of 55953656851 is 15865635955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55953656851 - 2²³ = 55945268243 is a prime.

It is not a weakly prime, because it can be changed into another prime (55953656881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27976828425 + 27976828426.

It is an arithmetic number, because the mean of its divisors is an integer number (27976828426).

Almost surely, 2^55953656851 is an apocalyptic number.

55953656851 is a deficient number, since it is larger than the sum of its proper divisors (1).

55953656851 is an equidigital number, since it uses as much as digits as its factorization.

55953656851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300000, while the sum is 58.

The spelling of 55953656851 in words is "fifty-five billion, nine hundred fifty-three million, six hundred fifty-six thousand, eight hundred fifty-one".