51772055 has 16 divisors (see below), whose sum is σ = 69245280. Its totient is φ = 36928512.

The previous prime is 51772037. The next prime is 51772067. The reversal of 51772055 is 55027715.

It is a cyclic number.

It is not a de Polignac number, because 51772055 - 2¹⁶ = 51706519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14414 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (4327830).

Almost surely, 2^51772055 is an apocalyptic number.

51772055 is a deficient number, since it is larger than the sum of its proper divisors (17473225).

51772055 is a wasteful number, since it uses less digits than its factorization.

51772055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32098.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 51772055 is about 7195.2800501440. The cubic root of 51772055 is about 372.7049275538.

The spelling of 51772055 in words is "fifty-one million, seven hundred seventy-two thousand, fifty-five".