54510279685 has 4 divisors (see below), whose sum is σ = 65412335628. Its totient is φ = 43608223744.

The previous prime is 54510279683. The next prime is 54510279713. The reversal of 54510279685 is 58697201545.

It is a happy number.

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 26661011524 + 27849268161 = 163282^2 + 166881^2 .

It is a cyclic number.

It is not a de Polignac number, because 54510279685 - 2¹ = 54510279683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54510279683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451027964 + ... + 5451027973.

It is an arithmetic number, because the mean of its divisors is an integer number (16353083907).

Almost surely, 2^54510279685 is an apocalyptic number.

It is an amenable number.

54510279685 is a deficient number, since it is larger than the sum of its proper divisors (10902055943).

54510279685 is a wasteful number, since it uses less digits than its factorization.

54510279685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902055942.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 54510279685 in words is "fifty-four billion, five hundred ten million, two hundred seventy-nine thousand, six hundred eighty-five".