55521341 has 16 divisors (see below), whose sum is σ = 59827200. Its totient is φ = 51408000.

The previous prime is 55521317. The next prime is 55521343. The reversal of 55521341 is 14312555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55521341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55521341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55521343) 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, 135545 + ... + 135953.

It is an arithmetic number, because the mean of its divisors is an integer number (3739200).

Almost surely, 2^55521341 is an apocalyptic number.

It is an amenable number.

55521341 is a deficient number, since it is larger than the sum of its proper divisors (4305859).

55521341 is a wasteful number, since it uses less digits than its factorization.

55521341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 3000, while the sum is 26.

The square root of 55521341 is about 7451.2643893503. The cubic root of 55521341 is about 381.4930663203.

Adding to 55521341 its reverse (14312555), we get a palindrome (69833896).

The spelling of 55521341 in words is "fifty-five million, five hundred twenty-one thousand, three hundred forty-one".