55011499 has 2 divisors, whose sum is σ = 55011500. Its totient is φ = 55011498.

The previous prime is 55011461. The next prime is 55011527. The reversal of 55011499 is 99411055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55011499 - 2¹³ = 55003307 is a prime.

It is not a weakly prime, because it can be changed into another prime (55011599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505749 + 27505750.

It is an arithmetic number, because the mean of its divisors is an integer number (27505750).

Almost surely, 2^55011499 is an apocalyptic number.

55011499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011499 is an equidigital number, since it uses as much as digits as its factorization.

55011499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 55011499 is about 7416.9737090002. The cubic root of 55011499 is about 380.3217473507.

The spelling of 55011499 in words is "fifty-five million, eleven thousand, four hundred ninety-nine".