54440078 has 36 divisors (see below), whose sum is σ = 104435856. Its totient is φ = 21205800.

The previous prime is 54440077. The next prime is 54440081. The reversal of 54440078 is 87004445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9563 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (2900996).

Almost surely, 2^54440078 is an apocalyptic number.

54440078 is a deficient number, since it is larger than the sum of its proper divisors (49995778).

54440078 is a wasteful number, since it uses less digits than its factorization.

54440078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4611 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 54440078 is about 7378.3519840138. The cubic root of 54440078 is about 379.0003225632. Note that the first 3 decimals are identical.

The spelling of 54440078 in words is "fifty-four million, four hundred forty thousand, seventy-eight".