54731717620 has 12 divisors (see below), whose sum is σ = 114936607044. Its totient is φ = 21892687040.

The previous prime is 54731717561. The next prime is 54731717633. The reversal of 54731717620 is 2671713745.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16030598544 + 38701119076 = 126612^2 + 196726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368292921 + ... + 1368292960.

It is an arithmetic number, because the mean of its divisors is an integer number (9578050587).

Almost surely, 2^54731717620 is an apocalyptic number.

It is an amenable number.

54731717620 is an abundant number, since it is smaller than the sum of its proper divisors (60204889424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54731717620 is a wasteful number, since it uses less digits than its factorization.

54731717620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736585890 (or 2736585888 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 54731717620 in words is "fifty-four billion, seven hundred thirty-one million, seven hundred seventeen thousand, six hundred twenty".