5521537 has 16 divisors (see below), whose sum is σ = 6543232. Its totient is φ = 4561920.

The previous prime is 5521499. The next prime is 5521543. The reversal of 5521537 is 7351255.

It is a cyclic number.

It is not a de Polignac number, because 5521537 - 2¹¹ = 5519489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28513 + ... + 28705.

It is an arithmetic number, because the mean of its divisors is an integer number (408952).

Almost surely, 2^5521537 is an apocalyptic number.

It is an amenable number.

5521537 is a deficient number, since it is larger than the sum of its proper divisors (1021695).

5521537 is a wasteful number, since it uses less digits than its factorization.

5521537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 5250, while the sum is 28.

The square root of 5521537 is about 2349.7950974500. The cubic root of 5521537 is about 176.7475200496.

The spelling of 5521537 in words is "five million, five hundred twenty-one thousand, five hundred thirty-seven".