5420556 has 18 divisors (see below), whose sum is σ = 13702052. Its totient is φ = 1806840.

The previous prime is 5420551. The next prime is 5420573. The reversal of 5420556 is 6550245.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (5420551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75250 + ... + 75321.

Almost surely, 2^5420556 is an apocalyptic number.

It is an amenable number.

5420556 is an abundant number, since it is smaller than the sum of its proper divisors (8281496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5420556 is a wasteful number, since it uses less digits than its factorization.

5420556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150581 (or 150576 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5420556 is about 2328.2087535271. The cubic root of 5420556 is about 175.6633976318.

The spelling of 5420556 in words is "five million, four hundred twenty thousand, five hundred fifty-six".