80072055 has 24 divisors (see below), whose sum is σ = 158619552. Its totient is φ = 36604224.

The previous prime is 80072051. The next prime is 80072071. The reversal of 80072055 is 55027008.

It is a happy number.

It is not a de Polignac number, because 80072055 - 2² = 80072051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80072051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126784 + ... + 127413.

It is an arithmetic number, because the mean of its divisors is an integer number (6609148).

Almost surely, 2^80072055 is an apocalyptic number.

80072055 is a deficient number, since it is larger than the sum of its proper divisors (78547497).

80072055 is a wasteful number, since it uses less digits than its factorization.

80072055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254215 (or 254212 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 80072055 is about 8948.2990003687. The cubic root of 80072055 is about 431.0162640130.

The spelling of 80072055 in words is "eighty million, seventy-two thousand, fifty-five".