55148413 has 2 divisors, whose sum is σ = 55148414. Its totient is φ = 55148412.

The previous prime is 55148383. The next prime is 55148447. The reversal of 55148413 is 31484155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54567769 + 580644 = 7387^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 55148413 - 2⁵ = 55148381 is a prime.

It is equal to p_3290557 and since 55148413 and 3290557 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55148113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27574206 + 27574207.

It is an arithmetic number, because the mean of its divisors is an integer number (27574207).

Almost surely, 2^55148413 is an apocalyptic number.

It is an amenable number.

55148413 is a deficient number, since it is larger than the sum of its proper divisors (1).

55148413 is an equidigital number, since it uses as much as digits as its factorization.

55148413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 55148413 is about 7426.1977485117. The cubic root of 55148413 is about 380.6370040604.

The spelling of 55148413 in words is "fifty-five million, one hundred forty-eight thousand, four hundred thirteen".