55250005499 has 4 divisors (see below), whose sum is σ = 59500005936. Its totient is φ = 51000005064.

The previous prime is 55250005463. The next prime is 55250005501. The reversal of 55250005499 is 99450005255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55250005499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55250065499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125000199 + ... + 2125000224.

It is an arithmetic number, because the mean of its divisors is an integer number (14875001484).

Almost surely, 2^55250005499 is an apocalyptic number.

55250005499 is a deficient number, since it is larger than the sum of its proper divisors (4250000437).

55250005499 is a wasteful number, since it uses less digits than its factorization.

55250005499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250000436.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 55250005499 in words is "fifty-five billion, two hundred fifty million, five thousand, four hundred ninety-nine".