51102106 has 32 divisors (see below), whose sum is σ = 87256512. Its totient is φ = 22239360.

The previous prime is 51102049. The next prime is 51102127. The reversal of 51102106 is 60120115.

It is a happy number.

It is a super-2 number, since 2×51102106² = 5222850475270472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51102106.

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, 54070 + ... + 55006.

It is an arithmetic number, because the mean of its divisors is an integer number (2726766).

Almost surely, 2^51102106 is an apocalyptic number.

51102106 is a deficient number, since it is larger than the sum of its proper divisors (36154406).

51102106 is a wasteful number, since it uses less digits than its factorization.

51102106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 51102106 is about 7148.5737038937. The cubic root of 51102106 is about 371.0902975234.

Subtracting 51102106 from its reverse (60120115), we obtain a square (9018009 = 3003²).

The spelling of 51102106 in words is "fifty-one million, one hundred two thousand, one hundred six".