555551131 has 8 divisors (see below), whose sum is σ = 579999744. Its totient is φ = 531127080.

The previous prime is 555551111. The next prime is 555551137. The reversal of 555551131 is 131155555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555551131 - 2¹⁵ = 555518363 is a prime.

It is a super-2 number, since 2×555551131² = 617274118310758322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555551093 and 555551102.

It is not an unprimeable number, because it can be changed into a prime (555551137) 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 7 ways as a sum of consecutive naturals, for example, 51846 + ... + 61636.

It is an arithmetic number, because the mean of its divisors is an integer number (72499968).

Almost surely, 2^555551131 is an apocalyptic number.

555551131 is a deficient number, since it is larger than the sum of its proper divisors (24448613).

555551131 is a wasteful number, since it uses less digits than its factorization.

555551131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281.

The product of its digits is 9375, while the sum is 31.

The square root of 555551131 is about 23570.1321803676. The cubic root of 555551131 is about 822.0685090592.

The spelling of 555551131 in words is "five hundred fifty-five million, five hundred fifty-one thousand, one hundred thirty-one".