55974299 has 2 divisors, whose sum is σ = 55974300. Its totient is φ = 55974298.

The previous prime is 55974293. The next prime is 55974311. The reversal of 55974299 is 99247955.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55974299 is a prime.

It is not a weakly prime, because it can be changed into another prime (55974293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27987149 + 27987150.

It is an arithmetic number, because the mean of its divisors is an integer number (27987150).

Almost surely, 2^55974299 is an apocalyptic number.

55974299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55974299 is an equidigital number, since it uses as much as digits as its factorization.

55974299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The square root of 55974299 is about 7481.5973561800. The cubic root of 55974299 is about 382.5276987360.

The spelling of 55974299 in words is "fifty-five million, nine hundred seventy-four thousand, two hundred ninety-nine".