16552554 has 32 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 5324592.

The previous prime is 16552517. The next prime is 16552567. The reversal of 16552554 is 45525561.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21907 + ... + 22649.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 2^16552554 is an apocalyptic number.

16552554 is an abundant number, since it is smaller than the sum of its proper divisors (17730966).

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

16552554 is a wasteful number, since it uses less digits than its factorization.

16552554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its digits is 30000, while the sum is 33.

The square root of 16552554 is about 4068.4830096733. The cubic root of 16552554 is about 254.8521711414.

The spelling of 16552554 in words is "sixteen million, five hundred fifty-two thousand, five hundred fifty-four".