54689580 has 252 divisors, whose sum is σ = 195375936. Its totient is φ = 12830400.

The previous prime is 54689539. The next prime is 54689599. The reversal of 54689580 is 8598645.

54689580 is a `hidden beast` number, since 5 + 4 + 68 + 9 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1764165 + ... + 1764195.

Almost surely, 2^54689580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54689580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97687968).

54689580 is an abundant number, since it is smaller than the sum of its proper divisors (140686356).

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

54689580 is a wasteful number, since it uses less digits than its factorization.

54689580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 54689580 is about 7395.2403612053. The cubic root of 54689580 is about 379.5784336940.

The spelling of 54689580 in words is "fifty-four million, six hundred eighty-nine thousand, five hundred eighty".