51060555 has 96 divisors (see below), whose sum is σ = 112205184. Its totient is φ = 20901888.

The previous prime is 51060553. The next prime is 51060577. The reversal of 51060555 is 55506015.

51060555 is a `hidden beast` number, since 5 + 1 + 0 + 605 + 55 = 666.

It is not a de Polignac number, because 51060555 - 2¹ = 51060553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151347 + ... + 151683.

It is an arithmetic number, because the mean of its divisors is an integer number (1168804).

Almost surely, 2^51060555 is an apocalyptic number.

51060555 is an abundant number, since it is smaller than the sum of its proper divisors (61144629).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51060555 is a wasteful number, since it uses less digits than its factorization.

51060555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 51060555 is about 7145.6668688094. Note that the first 3 decimals coincide. The cubic root of 51060555 is about 370.9896927072.

It can be divided in two parts, 51060 and 555, that added together give a palindrome (51615).

The spelling of 51060555 in words is "fifty-one million, sixty thousand, five hundred fifty-five".