54491680 has 24 divisors (see below), whose sum is σ = 128736972. Its totient is φ = 21796608.

The previous prime is 54491663. The next prime is 54491693. The reversal of 54491680 is 8619445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51208336 + 3283344 = 7156^2 + 1812^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 170127 + ... + 170446.

Almost surely, 2^54491680 is an apocalyptic number.

It is an amenable number.

54491680 is an abundant number, since it is smaller than the sum of its proper divisors (74245292).

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

54491680 is a wasteful number, since it uses less digits than its factorization.

54491680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340588 (or 340580 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 54491680 is about 7381.8480071050. The cubic root of 54491680 is about 379.1200321558.

The spelling of 54491680 in words is "fifty-four million, four hundred ninety-one thousand, six hundred eighty".