51055101 has 12 divisors (see below), whose sum is σ = 76952928. Its totient is φ = 32556744.

The previous prime is 51055099. The next prime is 51055129. The reversal of 51055101 is 10155015.

51055101 is a `hidden beast` number, since 510 + 55 + 101 = 666.

It is not a de Polignac number, because 51055101 - 2¹ = 51055099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055141) 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, 123115 + ... + 123528.

It is an arithmetic number, because the mean of its divisors is an integer number (6412744).

Almost surely, 2^51055101 is an apocalyptic number.

It is an amenable number.

51055101 is a deficient number, since it is larger than the sum of its proper divisors (25897827).

51055101 is a wasteful number, since it uses less digits than its factorization.

51055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246672 (or 246669 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 51055101 is about 7145.2852287365. The cubic root of 51055101 is about 370.9764832293.

It can be divided in two parts, 510 and 55101, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 51055101 in words is "fifty-one million, fifty-five thousand, one hundred one".