55345276331 has 2 divisors, whose sum is σ = 55345276332. Its totient is φ = 55345276330.

The previous prime is 55345276253. The next prime is 55345276411. The reversal of 55345276331 is 13367254355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55345276331 - 2¹⁴ = 55345259947 is a prime.

It is a super-2 number, since 2×55345276331² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55345275331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672638165 + 27672638166.

It is an arithmetic number, because the mean of its divisors is an integer number (27672638166).

Almost surely, 2^55345276331 is an apocalyptic number.

55345276331 is a deficient number, since it is larger than the sum of its proper divisors (1).

55345276331 is an equidigital number, since it uses as much as digits as its factorization.

55345276331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 44.

The spelling of 55345276331 in words is "fifty-five billion, three hundred forty-five million, two hundred seventy-six thousand, three hundred thirty-one".