51102766 has 16 divisors (see below), whose sum is σ = 90055728. Its totient is φ = 21441600.

The previous prime is 51102763. The next prime is 51102767. The reversal of 51102766 is 66720115.

It is a super-2 number, since 2×51102766² = 5222985385701512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89055 + ... + 89626.

It is an arithmetic number, because the mean of its divisors is an integer number (5628483).

Almost surely, 2^51102766 is an apocalyptic number.

51102766 is a deficient number, since it is larger than the sum of its proper divisors (38952962).

51102766 is a wasteful number, since it uses less digits than its factorization.

51102766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178707.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 51102766 is about 7148.6198667995. The cubic root of 51102766 is about 371.0918950997.

The spelling of 51102766 in words is "fifty-one million, one hundred two thousand, seven hundred sixty-six".