5555731 has 4 divisors (see below), whose sum is σ = 5572000. Its totient is φ = 5539464.

The previous prime is 5555723. The next prime is 5555747. The reversal of 5555731 is 1375555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5555731 - 2³ = 5555723 is a prime.

It is a super-2 number, since 2×5555731² = 61732293888722, 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 = 5555693 and 5555702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (1393000).

Almost surely, 2^5555731 is an apocalyptic number.

5555731 is a deficient number, since it is larger than the sum of its proper divisors (16269).

5555731 is a wasteful number, since it uses less digits than its factorization.

5555731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268.

The product of its digits is 13125, while the sum is 31.

The square root of 5555731 is about 2357.0598210482. The cubic root of 5555731 is about 177.1116258862. Note that the first 3 decimals are identical.

The spelling of 5555731 in words is "five million, five hundred fifty-five thousand, seven hundred thirty-one".