5901556 has 12 divisors (see below), whose sum is σ = 10349668. Its totient is φ = 2944512.

The previous prime is 5901551. The next prime is 5901557. The reversal of 5901556 is 6551095.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 1210000 = 2166^2 + 1100^2 .

It is a super-2 number, since 2×5901556² = 69656726442272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5901551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 3586.

Almost surely, 2^5901556 is an apocalyptic number.

It is an amenable number.

5901556 is a deficient number, since it is larger than the sum of its proper divisors (4448112).

5901556 is a wasteful number, since it uses less digits than its factorization.

5901556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5901556 is about 2429.3118367143. The cubic root of 5901556 is about 180.7127705277.

The spelling of 5901556 in words is "five million, nine hundred one thousand, five hundred fifty-six".