51100029 has 24 divisors (see below), whose sum is σ = 75889632. Its totient is φ = 33121440.

The previous prime is 51100019. The next prime is 51100033. The reversal of 51100029 is 92000115.

It is not a de Polignac number, because 51100029 - 2⁷ = 51099901 is a prime.

It is a super-2 number, since 2×51100029² = 5222425927601682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51099984 and 51100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100019) 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, 49539 + ... + 50559.

It is an arithmetic number, because the mean of its divisors is an integer number (3162068).

Almost surely, 2^51100029 is an apocalyptic number.

It is an amenable number.

51100029 is a deficient number, since it is larger than the sum of its proper divisors (24789603).

51100029 is a wasteful number, since it uses less digits than its factorization.

51100029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 51100029 is about 7148.4284286828. The cubic root of 51100029 is about 371.0852699094.

The spelling of 51100029 in words is "fifty-one million, one hundred thousand, twenty-nine".