55849499 has 2 divisors, whose sum is σ = 55849500. Its totient is φ = 55849498.

The previous prime is 55849487. The next prime is 55849553. The reversal of 55849499 is 99494855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55849499 - 2¹⁶ = 55783963 is a prime.

It is a Sophie Germain prime.

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 55849499.

It is not a weakly prime, because it can be changed into another prime (55849699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27924749 + 27924750.

It is an arithmetic number, because the mean of its divisors is an integer number (27924750).

Almost surely, 2^55849499 is an apocalyptic number.

55849499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55849499 is an equidigital number, since it uses as much as digits as its factorization.

55849499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The square root of 55849499 is about 7473.2522371455. The cubic root of 55849499 is about 382.2431932782.

The spelling of 55849499 in words is "fifty-five million, eight hundred forty-nine thousand, four hundred ninety-nine".