55974349 has 2 divisors, whose sum is σ = 55974350. Its totient is φ = 55974348.

The previous prime is 55974337. The next prime is 55974397. The reversal of 55974349 is 94347955.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36216324 + 19758025 = 6018^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 55974349 - 2¹⁹ = 55450061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55974299 and 55974308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55974649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27987174 + 27987175.

It is an arithmetic number, because the mean of its divisors is an integer number (27987175).

Almost surely, 2^55974349 is an apocalyptic number.

It is an amenable number.

55974349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55974349 is an equidigital number, since it uses as much as digits as its factorization.

55974349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 55974349 is about 7481.6006977117. The cubic root of 55974349 is about 382.5278126358.

The spelling of 55974349 in words is "fifty-five million, nine hundred seventy-four thousand, three hundred forty-nine".