5211557 has 8 divisors (see below), whose sum is σ = 5743584. Its totient is φ = 4698288.

The previous prime is 5211541. The next prime is 5211581. The reversal of 5211557 is 7551125.

It is a happy number.

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 5211557 - 2⁴ = 5211541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (717948).

Almost surely, 2^5211557 is an apocalyptic number.

It is an amenable number.

5211557 is a deficient number, since it is larger than the sum of its proper divisors (532027).

5211557 is a wasteful number, since it uses less digits than its factorization.

5211557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379.

The product of its digits is 1750, while the sum is 26.

The square root of 5211557 is about 2282.8834836671. The cubic root of 5211557 is about 173.3760738619.

It can be divided in two parts, 5 and 211557, that multiplied together give a triangular number (1057785 = T₁₄₅₄).

The spelling of 5211557 in words is "five million, two hundred eleven thousand, five hundred fifty-seven".