55124291 has 2 divisors, whose sum is σ = 55124292. Its totient is φ = 55124290.

The previous prime is 55124249. The next prime is 55124309. The reversal of 55124291 is 19242155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55124291 - 2¹⁴ = 55107907 is a prime.

It is not a weakly prime, because it can be changed into another prime (55124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27562145 + 27562146.

It is an arithmetic number, because the mean of its divisors is an integer number (27562146).

Almost surely, 2^55124291 is an apocalyptic number.

55124291 is a deficient number, since it is larger than the sum of its proper divisors (1).

55124291 is an equidigital number, since it uses as much as digits as its factorization.

55124291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 55124291 is about 7424.5734557616. The cubic root of 55124291 is about 380.5814988981.

It can be divided in two parts, 551 and 24291, that added together give a palindrome (24842).

The spelling of 55124291 in words is "fifty-five million, one hundred twenty-four thousand, two hundred ninety-one".