54642278 has 8 divisors (see below), whose sum is σ = 82149768. Its totient is φ = 27259024.

The previous prime is 54642253. The next prime is 54642281. The reversal of 54642278 is 87224645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 29951 + ... + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (10268721).

Almost surely, 2^54642278 is an apocalyptic number.

54642278 is a deficient number, since it is larger than the sum of its proper divisors (27507490).

54642278 is a wasteful number, since it uses less digits than its factorization.

54642278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62118.

The product of its digits is 107520, while the sum is 38.

The square root of 54642278 is about 7392.0415312686. The cubic root of 54642278 is about 379.4689673932.

It can be divided in two parts, 546 and 42278, that added together give a palindrome (42824).

The spelling of 54642278 in words is "fifty-four million, six hundred forty-two thousand, two hundred seventy-eight".