54909450 has 36 divisors (see below), whose sum is σ = 147524598. Its totient is φ = 14642400.

The previous prime is 54909419. The next prime is 54909451. The reversal of 54909450 is 5490945.

It can be written as a sum of positive squares in 3 ways, for example, as 36324729 + 18584721 = 6027^2 + 4311^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54909451) 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, 60561 + ... + 61460.

Almost surely, 2^54909450 is an apocalyptic number.

54909450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54909450 is an abundant number, since it is smaller than the sum of its proper divisors (92615148).

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

54909450 is a wasteful number, since it uses less digits than its factorization.

54909450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122039 (or 122031 counting only the distinct ones).

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

The square root of 54909450 is about 7410.0910925575. The cubic root of 54909450 is about 380.0864300170.

The spelling of 54909450 in words is "fifty-four million, nine hundred nine thousand, four hundred fifty".