54399078 has 12 divisors (see below), whose sum is σ = 117864708. Its totient is φ = 18133020.

The previous prime is 54399077. The next prime is 54399083. The reversal of 54399078 is 87099345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54399073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511068 + ... + 1511103.

It is an arithmetic number, because the mean of its divisors is an integer number (9822059).

Almost surely, 2^54399078 is an apocalyptic number.

54399078 is an abundant number, since it is smaller than the sum of its proper divisors (63465630).

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

54399078 is a wasteful number, since it uses less digits than its factorization.

54399078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022179 (or 3022176 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 54399078 is about 7375.5730624813. The cubic root of 54399078 is about 378.9051542218.

The spelling of 54399078 in words is "fifty-four million, three hundred ninety-nine thousand, seventy-eight".