5557851 has 24 divisors (see below), whose sum is σ = 8786960. Its totient is φ = 3364416.

The previous prime is 5557847. The next prime is 5557873. The reversal of 5557851 is 1587555.

It is not a de Polignac number, because 5557851 - 2² = 5557847 is a prime.

It is a hoax number, since the sum of its digits (36) 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 (5557051) 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 23 ways as a sum of consecutive naturals, for example, 7485 + ... + 8193.

Almost surely, 2^5557851 is an apocalyptic number.

5557851 is a deficient number, since it is larger than the sum of its proper divisors (3229109).

5557851 is a wasteful number, since it uses less digits than its factorization.

5557851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 792 counting only the distinct ones).

The product of its digits is 35000, while the sum is 36.

The square root of 5557851 is about 2357.5094909671. The cubic root of 5557851 is about 177.1341509088.

The spelling of 5557851 in words is "five million, five hundred fifty-seven thousand, eight hundred fifty-one".