5981554 has 4 divisors (see below), whose sum is σ = 8972334. Its totient is φ = 2990776.

The previous prime is 5981539. The next prime is 5981567. The reversal of 5981554 is 4551895.

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., 5396329 + 585225 = 2323^2 + 765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495387 + ... + 1495390.

Almost surely, 2^5981554 is an apocalyptic number.

5981554 is a deficient number, since it is larger than the sum of its proper divisors (2990780).

5981554 is a wasteful number, since it uses less digits than its factorization.

5981554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990779.

The product of its digits is 36000, while the sum is 37.

The square root of 5981554 is about 2445.7215704164. The cubic root of 5981554 is about 181.5256536478.

The spelling of 5981554 in words is "five million, nine hundred eighty-one thousand, five hundred fifty-four".