54420890 has 8 divisors (see below), whose sum is σ = 97957620. Its totient is φ = 21768352.

The previous prime is 54420889. The next prime is 54420901. The reversal of 54420890 is 9802445.

It can be written as a sum of positive squares in 2 ways, for example, as 53743561 + 677329 = 7331^2 + 823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721035 + ... + 2721054.

Almost surely, 2^54420890 is an apocalyptic number.

54420890 is a deficient number, since it is larger than the sum of its proper divisors (43536730).

54420890 is a wasteful number, since it uses less digits than its factorization.

54420890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442096.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 54420890 is about 7377.0515790524. The cubic root of 54420890 is about 378.9557897299.

The spelling of 54420890 in words is "fifty-four million, four hundred twenty thousand, eight hundred ninety".