55341857 has 2 divisors, whose sum is σ = 55341858. Its totient is φ = 55341856.

The previous prime is 55341821. The next prime is 55341859. The reversal of 55341857 is 75814355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55338721 + 3136 = 7439^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 55341857 - 2¹⁰ = 55340833 is a prime.

It is a super-2 number, since 2×55341857² = 6125442272416898, which contains 22 as substring.

Together with 55341859, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55341857.

It is not a weakly prime, because it can be changed into another prime (55341859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27670928 + 27670929.

It is an arithmetic number, because the mean of its divisors is an integer number (27670929).

Almost surely, 2^55341857 is an apocalyptic number.

It is an amenable number.

55341857 is a deficient number, since it is larger than the sum of its proper divisors (1).

55341857 is an equidigital number, since it uses as much as digits as its factorization.

55341857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 38.

The square root of 55341857 is about 7439.2107780328. The cubic root of 55341857 is about 381.0815379711.

The spelling of 55341857 in words is "fifty-five million, three hundred forty-one thousand, eight hundred fifty-seven".