5625557 has 4 divisors (see below), whose sum is σ = 6429216. Its totient is φ = 4821900.

The previous prime is 5625553. The next prime is 5625563. The reversal of 5625557 is 7555265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7555265 = 5 ⋅1511053.

It is a cyclic number.

It is not a de Polignac number, because 5625557 - 2² = 5625553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625553) 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, 401819 + ... + 401832.

It is an arithmetic number, because the mean of its divisors is an integer number (1607304).

Almost surely, 2^5625557 is an apocalyptic number.

It is an amenable number.

5625557 is a deficient number, since it is larger than the sum of its proper divisors (803659).

5625557 is an equidigital number, since it uses as much as digits as its factorization.

5625557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803658.

The product of its digits is 52500, while the sum is 35.

The square root of 5625557 is about 2371.8256681299. The cubic root of 5625557 is about 177.8505352221.

The spelling of 5625557 in words is "five million, six hundred twenty-five thousand, five hundred fifty-seven".