55020424313 has 2 divisors, whose sum is σ = 55020424314. Its totient is φ = 55020424312.

The previous prime is 55020424279. The next prime is 55020424337. The reversal of 55020424313 is 31342402055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27916728889 + 27103695424 = 167083^2 + 164632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55020424313 is a prime.

It is a super-4 number, since 4×55020424313⁴ (a number of 44 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55020424343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27510212156 + 27510212157.

It is an arithmetic number, because the mean of its divisors is an integer number (27510212157).

Almost surely, 2^55020424313 is an apocalyptic number.

It is an amenable number.

55020424313 is a deficient number, since it is larger than the sum of its proper divisors (1).

55020424313 is an equidigital number, since it uses as much as digits as its factorization.

55020424313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 55020424313 its reverse (31342402055), we get a palindrome (86362826368).

The spelling of 55020424313 in words is "fifty-five billion, twenty million, four hundred twenty-four thousand, three hundred thirteen".