55255075 has 12 divisors (see below), whose sum is σ = 68622840. Its totient is φ = 44135360.

The previous prime is 55255073. The next prime is 55255091. The reversal of 55255075 is 57055255.

It is not a de Polignac number, because 55255075 - 2¹ = 55255073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55255075.

It is not an unprimeable number, because it can be changed into a prime (55255073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20136 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (5718570).

Almost surely, 2^55255075 is an apocalyptic number.

55255075 is a deficient number, since it is larger than the sum of its proper divisors (13367765).

55255075 is a wasteful number, since it uses less digits than its factorization.

55255075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 55255075 is about 7433.3757472632. The cubic root of 55255075 is about 380.8822414459.

The spelling of 55255075 in words is "fifty-five million, two hundred fifty-five thousand, seventy-five".