55348031 has 2 divisors, whose sum is σ = 55348032. Its totient is φ = 55348030.

The previous prime is 55348021. The next prime is 55348049. The reversal of 55348031 is 13084355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55348031 - 2²² = 51153727 is a prime.

It is a super-2 number, since 2×55348031² = 6126809071153922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55347985 and 55348003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55348021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27674015 + 27674016.

It is an arithmetic number, because the mean of its divisors is an integer number (27674016).

Almost surely, 2^55348031 is an apocalyptic number.

55348031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55348031 is an equidigital number, since it uses as much as digits as its factorization.

55348031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55348031 is about 7439.6257298335. The cubic root of 55348031 is about 381.0957087396.

It can be divided in two parts, 553 and 48031, that added together give a palindrome (48584).

The spelling of 55348031 in words is "fifty-five million, three hundred forty-eight thousand, thirty-one".