54836857487 has 2 divisors, whose sum is σ = 54836857488. Its totient is φ = 54836857486.

The previous prime is 54836857477. The next prime is 54836857499. The reversal of 54836857487 is 78475863845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54836857487 - 2⁶ = 54836857423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54836857457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418428743 + 27418428744.

It is an arithmetic number, because the mean of its divisors is an integer number (27418428744).

Almost surely, 2^54836857487 is an apocalyptic number.

54836857487 is a deficient number, since it is larger than the sum of its proper divisors (1).

54836857487 is an equidigital number, since it uses as much as digits as its factorization.

54836857487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180633600, while the sum is 65.

The spelling of 54836857487 in words is "fifty-four billion, eight hundred thirty-six million, eight hundred fifty-seven thousand, four hundred eighty-seven".