54878342 has 4 divisors (see below), whose sum is σ = 82317516. Its totient is φ = 27439170.

The previous prime is 54878333. The next prime is 54878347. The reversal of 54878342 is 24387845.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 54878342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54878347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13719584 + ... + 13719587.

It is an arithmetic number, because the mean of its divisors is an integer number (20579379).

Almost surely, 2^54878342 is an apocalyptic number.

54878342 is a deficient number, since it is larger than the sum of its proper divisors (27439174).

54878342 is a wasteful number, since it uses less digits than its factorization.

54878342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27439173.

The product of its digits is 215040, while the sum is 41.

The square root of 54878342 is about 7407.9917656542. The cubic root of 54878342 is about 380.0146393252.

The spelling of 54878342 in words is "fifty-four million, eight hundred seventy-eight thousand, three hundred forty-two".