54661516 has 24 divisors (see below), whose sum is σ = 117733280. Its totient is φ = 21624192.

The previous prime is 54661507. The next prime is 54661531. The reversal of 54661516 is 61516645.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74721 + ... + 75448.

Almost surely, 2^54661516 is an apocalyptic number.

It is an amenable number.

54661516 is an abundant number, since it is smaller than the sum of its proper divisors (63071764).

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

54661516 is a wasteful number, since it uses less digits than its factorization.

54661516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150193 (or 150191 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 54661516 is about 7393.3426810882. The cubic root of 54661516 is about 379.5134955967.

The spelling of 54661516 in words is "fifty-four million, six hundred sixty-one thousand, five hundred sixteen".