54919940 has 24 divisors (see below), whose sum is σ = 115584000. Its totient is φ = 21919968.

The previous prime is 54919927. The next prime is 54919961. The reversal of 54919940 is 4991945.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (4816000).

Almost surely, 2^54919940 is an apocalyptic number.

It is an amenable number.

54919940 is an abundant number, since it is smaller than the sum of its proper divisors (60664060).

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

54919940 is a wasteful number, since it uses less digits than its factorization.

54919940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011 (or 6009 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 54919940 is about 7410.7988773141. The cubic root of 54919940 is about 380.1106326074.

The spelling of 54919940 in words is "fifty-four million, nine hundred nineteen thousand, nine hundred forty".