54509964 has 24 divisors (see below), whose sum is σ = 127756608. Its totient is φ = 18089040.

The previous prime is 54509963. The next prime is 54510019. The reversal of 54509964 is 46990545.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (54509963) 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, 7282 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (5323192).

Almost surely, 2^54509964 is an apocalyptic number.

It is an amenable number.

54509964 is an abundant number, since it is smaller than the sum of its proper divisors (73246644).

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

54509964 is a wasteful number, since it uses less digits than its factorization.

54509964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245 (or 20243 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 54509964 is about 7383.0863465085. The cubic root of 54509964 is about 379.1624304052.

The spelling of 54509964 in words is "fifty-four million, five hundred nine thousand, nine hundred sixty-four".