55016554 has 4 divisors (see below), whose sum is σ = 82524834. Its totient is φ = 27508276.

The previous prime is 55016531. The next prime is 55016587. The reversal of 55016554 is 45561055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 17867529 = 6095^2 + 4227^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13754137 + ... + 13754140.

Almost surely, 2^55016554 is an apocalyptic number.

55016554 is a deficient number, since it is larger than the sum of its proper divisors (27508280).

55016554 is a wasteful number, since it uses less digits than its factorization.

55016554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508279.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 55016554 is about 7417.3144735814. The cubic root of 55016554 is about 380.3333962338. Note that the first 4 decimals are identical.

The spelling of 55016554 in words is "fifty-five million, sixteen thousand, five hundred fifty-four".