5551980 has 48 divisors (see below), whose sum is σ = 17767680. Its totient is φ = 1268928.

The previous prime is 5551967. The next prime is 5551981. The reversal of 5551980 is 891555.

5551980 = T₄₂ + T₄₃ + ... + T₃₂₁.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5551981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (370160).

Almost surely, 2^5551980 is an apocalyptic number.

It is an amenable number.

5551980 is an abundant number, since it is smaller than the sum of its proper divisors (12215700).

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

5551980 is a wasteful number, since it uses less digits than its factorization.

5551980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13236 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 5551980 is about 2356.2639920009. The cubic root of 5551980 is about 177.0717574286.

The spelling of 5551980 in words is "five million, five hundred fifty-one thousand, nine hundred eighty".