54371808 has 36 divisors (see below), whose sum is σ = 154620648. Its totient is φ = 18123840.

The previous prime is 54371771. The next prime is 54371813. The reversal of 54371808 is 80817345.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94108 + ... + 94683.

It is an arithmetic number, because the mean of its divisors is an integer number (4295018).

Almost surely, 2^54371808 is an apocalyptic number.

It is an amenable number.

54371808 is an abundant number, since it is smaller than the sum of its proper divisors (100248840).

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

54371808 is a wasteful number, since it uses less digits than its factorization.

54371808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188807 (or 188796 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 54371808 is about 7373.7241608295. The cubic root of 54371808 is about 378.8418291864.

The spelling of 54371808 in words is "fifty-four million, three hundred seventy-one thousand, eight hundred eight".