54335593861 has 4 divisors (see below), whose sum is σ = 54337691052. Its totient is φ = 54333496672.

The previous prime is 54335593849. The next prime is 54335593891. The reversal of 54335593861 is 16839553345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18579053025 + 35756540836 = 136305^2 + 189094^2 .

It is a cyclic number.

It is not a de Polignac number, because 54335593861 - 2³¹ = 52188110213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54335593799 and 54335593808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54335593801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009240 + ... + 1061713.

It is an arithmetic number, because the mean of its divisors is an integer number (13584422763).

Almost surely, 2^54335593861 is an apocalyptic number.

It is an amenable number.

54335593861 is a deficient number, since it is larger than the sum of its proper divisors (2097191).

54335593861 is a wasteful number, since it uses less digits than its factorization.

54335593861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097190.

The product of its digits is 5832000, while the sum is 52.

The spelling of 54335593861 in words is "fifty-four billion, three hundred thirty-five million, five hundred ninety-three thousand, eight hundred sixty-one".