54783642 has 16 divisors (see below), whose sum is σ = 109676160. Its totient is φ = 18243072.

The previous prime is 54783637. The next prime is 54783647. The reversal of 54783642 is 24638745.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54783637) and next prime (54783647).

It is a self number, because there is not a number n which added to its sum of digits gives 54783642.

It is not an unprimeable number, because it can be changed into a prime (54783647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (6854760).

Almost surely, 2^54783642 is an apocalyptic number.

54783642 is an abundant number, since it is smaller than the sum of its proper divisors (54892518).

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

54783642 is a wasteful number, since it uses less digits than its factorization.

54783642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077.

The product of its digits is 161280, while the sum is 39.

The square root of 54783642 is about 7401.5972600514. The cubic root of 54783642 is about 379.7959245872.

The spelling of 54783642 in words is "fifty-four million, seven hundred eighty-three thousand, six hundred forty-two".