54836857501 has 2 divisors, whose sum is σ = 54836857502. Its totient is φ = 54836857500.

The previous prime is 54836857499. The next prime is 54836857513. The reversal of 54836857501 is 10575863845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40419092025 + 14417765476 = 201045^2 + 120074^2 .

It is a cyclic number.

It is not a de Polignac number, because 54836857501 - 2¹ = 54836857499 is a prime.

Together with 54836857499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54836857561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418428750 + 27418428751.

It is an arithmetic number, because the mean of its divisors is an integer number (27418428751).

Almost surely, 2^54836857501 is an apocalyptic number.

It is an amenable number.

54836857501 is a deficient number, since it is larger than the sum of its proper divisors (1).

54836857501 is an equidigital number, since it uses as much as digits as its factorization.

54836857501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 54836857501 in words is "fifty-four billion, eight hundred thirty-six million, eight hundred fifty-seven thousand, five hundred one".