54698857 has 2 divisors, whose sum is σ = 54698858. Its totient is φ = 54698856.

The previous prime is 54698851. The next prime is 54698923. The reversal of 54698857 is 75889645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52838361 + 1860496 = 7269^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 54698857 - 2¹⁵ = 54666089 is a prime.

It is a super-3 number, since 3×54698857³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (54698851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349428 + 27349429.

It is an arithmetic number, because the mean of its divisors is an integer number (27349429).

Almost surely, 2^54698857 is an apocalyptic number.

It is an amenable number.

54698857 is a deficient number, since it is larger than the sum of its proper divisors (1).

54698857 is an equidigital number, since it uses as much as digits as its factorization.

54698857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 52.

The square root of 54698857 is about 7395.8675623621. The cubic root of 54698857 is about 379.5998951256.

It can be divided in two parts, 54698 and 857, that added together give a palindrome (55555).

The spelling of 54698857 in words is "fifty-four million, six hundred ninety-eight thousand, eight hundred fifty-seven".