55316413 has 4 divisors (see below), whose sum is σ = 55412860. Its totient is φ = 55219968.

The previous prime is 55316411. The next prime is 55316441. The reversal of 55316413 is 31461355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37491129 + 17825284 = 6123^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 55316413 - 2¹ = 55316411 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 (55316411) 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, 47358 + ... + 48511.

It is an arithmetic number, because the mean of its divisors is an integer number (13853215).

Almost surely, 2^55316413 is an apocalyptic number.

It is an amenable number.

55316413 is a deficient number, since it is larger than the sum of its proper divisors (96447).

55316413 is an equidigital number, since it uses as much as digits as its factorization.

55316413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96446.

The product of its digits is 5400, while the sum is 28.

The square root of 55316413 is about 7437.5004537815. The cubic root of 55316413 is about 381.0231269387.

Adding to 55316413 its reverse (31461355), we get a palindrome (86777768).

The spelling of 55316413 in words is "fifty-five million, three hundred sixteen thousand, four hundred thirteen".