5557531 has 12 divisors (see below), whose sum is σ = 6689520. Its totient is φ = 4598160.

The previous prime is 5557523. The next prime is 5557537. The reversal of 5557531 is 1357555.

It is not a de Polignac number, because 5557531 - 2³ = 5557523 is a prime.

It is a super-2 number, since 2×5557531² = 61772301631922, 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 = 5557493 and 5557502.

It is not an unprimeable number, because it can be changed into a prime (5557537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (557460).

Almost surely, 2^5557531 is an apocalyptic number.

5557531 is a deficient number, since it is larger than the sum of its proper divisors (1131989).

5557531 is a wasteful number, since it uses less digits than its factorization.

5557531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954 (or 3947 counting only the distinct ones).

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

The square root of 5557531 is about 2357.4416217586. The cubic root of 5557531 is about 177.1307512725.

The spelling of 5557531 in words is "five million, five hundred fifty-seven thousand, five hundred thirty-one".