54581642 has 16 divisors (see below), whose sum is σ = 86443200. Its totient is φ = 25776000.

The previous prime is 54581633. The next prime is 54581647. The reversal of 54581642 is 24618545.

It is not an unprimeable number, because it can be changed into a prime (54581647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11642 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (5402700).

Almost surely, 2^54581642 is an apocalyptic number.

54581642 is a deficient number, since it is larger than the sum of its proper divisors (31861558).

54581642 is a wasteful number, since it uses less digits than its factorization.

54581642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381.

The product of its digits is 38400, while the sum is 35.

The square root of 54581642 is about 7387.9389548101. The cubic root of 54581642 is about 379.3285511103.

The spelling of 54581642 in words is "fifty-four million, five hundred eighty-one thousand, six hundred forty-two".