54945900 has 54 divisors (see below), whose sum is σ = 172227692. Its totient is φ = 14652000.

The previous prime is 54945893. The next prime is 54945901. The reversal of 54945900 is 954945.

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

It is not an unprimeable number, because it can be changed into a prime (54945901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29626 + ... + 31425.

Almost surely, 2^54945900 is an apocalyptic number.

54945900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54945900 is an abundant number, since it is smaller than the sum of its proper divisors (117281792).

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

54945900 is a wasteful number, since it uses less digits than its factorization.

54945900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61071 (or 61061 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 54945900 is about 7412.5501684643. The cubic root of 54945900 is about 380.1705144260.

The spelling of 54945900 in words is "fifty-four million, nine hundred forty-five thousand, nine hundred".