54861642 has 36 divisors (see below), whose sum is σ = 130660530. Its totient is φ = 16624080.

The previous prime is 54861623. The next prime is 54861659. The reversal of 54861642 is 24616845.

54861642 is a `hidden beast` number, since 5 + 4 + 8 + 6 + 1 + 642 = 666.

54861642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32592681 + 22268961 = 5709^2 + 4719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54861597 and 54861606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10417 + ... + 14772.

Almost surely, 2^54861642 is an apocalyptic number.

54861642 is an abundant number, since it is smaller than the sum of its proper divisors (75798888).

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

54861642 is a wasteful number, since it uses less digits than its factorization.

54861642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219 (or 25205 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 54861642 is about 7406.8645188096. The cubic root of 54861642 is about 379.9760880614.

The spelling of 54861642 in words is "fifty-four million, eight hundred sixty-one thousand, six hundred forty-two".