55051499 has 4 divisors (see below), whose sum is σ = 55282080. Its totient is φ = 54820920.

The previous prime is 55051487. The next prime is 55051519. The reversal of 55051499 is 99415055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55051499 - 2²⁴ = 38274283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55051439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114932 + ... + 115409.

It is an arithmetic number, because the mean of its divisors is an integer number (13820520).

Almost surely, 2^55051499 is an apocalyptic number.

55051499 is a deficient number, since it is larger than the sum of its proper divisors (230581).

55051499 is a wasteful number, since it uses less digits than its factorization.

55051499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230580.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 55051499 is about 7419.6697365853. The cubic root of 55051499 is about 380.4139049570.

The spelling of 55051499 in words is "fifty-five million, fifty-one thousand, four hundred ninety-nine".