54867904 has 56 divisors (see below), whose sum is σ = 134018528. Its totient is φ = 21703680.

The previous prime is 54867899. The next prime is 54867907. The reversal of 54867904 is 40976845.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54867907) 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, 1114 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (2393188).

Almost surely, 2^54867904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54867904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67009264).

54867904 is an abundant number, since it is smaller than the sum of its proper divisors (79150624).

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

54867904 is a wasteful number, since it uses less digits than its factorization.

54867904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 54867904 is about 7407.2872227287. The cubic root of 54867904 is about 379.9905445477.

The spelling of 54867904 in words is "fifty-four million, eight hundred sixty-seven thousand, nine hundred four".