5401606556 has 12 divisors (see below), whose sum is σ = 9473499168. Its totient is φ = 2694892512.

The previous prime is 5401606549. The next prime is 5401606559. The reversal of 5401606556 is 6556061045.

It is a super-2 number, since 2×5401606556² = 58354706771644362272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401606559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475636 + ... + 1479291.

It is an arithmetic number, because the mean of its divisors is an integer number (789458264).

Almost surely, 2^5401606556 is an apocalyptic number.

It is an amenable number.

5401606556 is a deficient number, since it is larger than the sum of its proper divisors (4071892612).

5401606556 is a wasteful number, since it uses less digits than its factorization.

5401606556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955388 (or 2955386 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 5401606556 is about 73495.6226995867. The cubic root of 5401606556 is about 1754.5846107965.

The spelling of 5401606556 in words is "five billion, four hundred one million, six hundred six thousand, five hundred fifty-six".