54438878 has 16 divisors (see below), whose sum is σ = 89812800. Its totient is φ = 24590496.

The previous prime is 54438871. The next prime is 54438889. The reversal of 54438878 is 87883445.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54438871) 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, 21053 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 2^54438878 is an apocalyptic number.

54438878 is a deficient number, since it is larger than the sum of its proper divisors (35373922).

54438878 is a wasteful number, since it uses less digits than its factorization.

54438878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44611.

The product of its digits is 860160, while the sum is 47.

The square root of 54438878 is about 7378.2706645934. The cubic root of 54438878 is about 378.9975378272.

The spelling of 54438878 in words is "fifty-four million, four hundred thirty-eight thousand, eight hundred seventy-eight".