541556 has 6 divisors (see below), whose sum is σ = 947730. Its totient is φ = 270776.

The previous prime is 541549. The next prime is 541571. The reversal of 541556 is 655145.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 28900 = 716^2 + 170^2 .

It is a super-2 number, since 2×541556² = 586565802272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

541556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67691 + ... + 67698.

It is an arithmetic number, because the mean of its divisors is an integer number (157955).

2⁵⁴¹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

541556 is a deficient number, since it is larger than the sum of its proper divisors (406174).

541556 is a wasteful number, since it uses less digits than its factorization.

541556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135393 (or 135391 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 541556 is about 735.9048851584. The cubic root of 541556 is about 81.5106689334.

The spelling of 541556 in words is "five hundred forty-one thousand, five hundred fifty-six".