5451556 has 24 divisors (see below), whose sum is σ = 10956960. Its totient is φ = 2347200.

The previous prime is 5451547. The next prime is 5451557. The reversal of 5451556 is 6551545.

5451556 = T₃₇₃ + T₃₇₄ + ... + T₄₃₈.

It is a super-2 number, since 2×5451556² = 59438925642272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5451557) 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 7 ways as a sum of consecutive naturals, for example, 2425 + ... + 4096.

It is an arithmetic number, because the mean of its divisors is an integer number (456540).

Almost surely, 2^5451556 is an apocalyptic number.

It is an amenable number.

5451556 is an abundant number, since it is smaller than the sum of its proper divisors (5505404).

5451556 is a wasteful number, since it uses less digits than its factorization.

5451556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6553 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 5451556 is about 2334.8567407873. The cubic root of 5451556 is about 175.9976325439.

The spelling of 5451556 in words is "five million, four hundred fifty-one thousand, five hundred fifty-six".