54642678 has 16 divisors (see below), whose sum is σ = 109842480. Its totient is φ = 18121376.

The previous prime is 54642671. The next prime is 54642697. The reversal of 54642678 is 87624645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642671) 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, 21933 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (6865155).

Almost surely, 2^54642678 is an apocalyptic number.

54642678 is an abundant number, since it is smaller than the sum of its proper divisors (55199802).

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

54642678 is a wasteful number, since it uses less digits than its factorization.

54642678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46431.

The product of its digits is 322560, while the sum is 42.

The square root of 54642678 is about 7392.0685873441. The cubic root of 54642678 is about 379.4698933381.

The spelling of 54642678 in words is "fifty-four million, six hundred forty-two thousand, six hundred seventy-eight".