5521437 has 6 divisors (see below), whose sum is σ = 7975422. Its totient is φ = 3680952.

The previous prime is 5521427. The next prime is 5521463. The reversal of 5521437 is 7341255.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4639716 + 881721 = 2154^2 + 939^2 .

It is not a de Polignac number, because 5521437 - 2⁷ = 5521309 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁹ + 5⁹ + 2¹⁵ + 1 + 4¹⁰ + 3¹² + 7⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 5521437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306738 + ... + 306755.

It is an arithmetic number, because the mean of its divisors is an integer number (1329237).

Almost surely, 2^5521437 is an apocalyptic number.

It is an amenable number.

5521437 is a deficient number, since it is larger than the sum of its proper divisors (2453985).

5521437 is a wasteful number, since it uses less digits than its factorization.

5521437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613499 (or 613496 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5521437 is about 2349.7738189026. The cubic root of 5521437 is about 176.7464530243.

The spelling of 5521437 in words is "five million, five hundred twenty-one thousand, four hundred thirty-seven".