55030871 has 6 divisors (see below), whose sum is σ = 64015560. Its totient is φ = 47169276.

The previous prime is 55030867. The next prime is 55030889. The reversal of 55030871 is 17803055.

It is not a de Polignac number, because 55030871 - 2² = 55030867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561491 + ... + 561588.

It is an arithmetic number, because the mean of its divisors is an integer number (10669260).

Almost surely, 2^55030871 is an apocalyptic number.

55030871 is a deficient number, since it is larger than the sum of its proper divisors (8984689).

55030871 is a wasteful number, since it uses less digits than its factorization.

55030871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123093 (or 1123086 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 55030871 is about 7418.2795175162. The cubic root of 55030871 is about 380.3663848561.

The spelling of 55030871 in words is "fifty-five million, thirty thousand, eight hundred seventy-one".