5551870 has 16 divisors (see below), whose sum is σ = 10115280. Its totient is φ = 2193664.

The previous prime is 5551867. The next prime is 5551873. The reversal of 5551870 is 781555.

It is an interprime number because it is at equal distance from previous prime (5551867) and next prime (5551873).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (632205).

Almost surely, 2^5551870 is an apocalyptic number.

5551870 is a deficient number, since it is larger than the sum of its proper divisors (4563410).

5551870 is a wasteful number, since it uses less digits than its factorization.

5551870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 5551870 is about 2356.2406498488. The cubic root of 5551870 is about 177.0705879947.

The spelling of 5551870 in words is "five million, five hundred fifty-one thousand, eight hundred seventy".