55807828075 has 12 divisors (see below), whose sum is σ = 69209889480. Its totient is φ = 44640983360.

The previous prime is 55807828051. The next prime is 55807828103. The reversal of 55807828075 is 57082870855.

It is not a de Polignac number, because 55807828075 - 2⁷ = 55807827947 is a prime.

It is a super-2 number, since 2×55807828075² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91071 + ... + 346279.

It is an arithmetic number, because the mean of its divisors is an integer number (5767490790).

Almost surely, 2^55807828075 is an apocalyptic number.

55807828075 is a deficient number, since it is larger than the sum of its proper divisors (13402061405).

55807828075 is a wasteful number, since it uses less digits than its factorization.

55807828075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263966 (or 263961 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 55807828075 in words is "fifty-five billion, eight hundred seven million, eight hundred twenty-eight thousand, seventy-five".