54532890 has 24 divisors (see below), whose sum is σ = 141785748. Its totient is φ = 14542080.

The previous prime is 54532879. The next prime is 54532903. The reversal of 54532890 is 9823545.

54532890 is a `hidden beast` number, since 545 + 3 + 28 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 5294601 = 7017^2 + 2301^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302871 + ... + 303050.

Almost surely, 2^54532890 is an apocalyptic number.

54532890 is an abundant number, since it is smaller than the sum of its proper divisors (87252858).

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

54532890 is a wasteful number, since it uses less digits than its factorization.

54532890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605934 (or 605931 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 54532890 is about 7384.6387860206. The cubic root of 54532890 is about 379.2155794619.

The spelling of 54532890 in words is "fifty-four million, five hundred thirty-two thousand, eight hundred ninety".