51102356 has 6 divisors (see below), whose sum is σ = 89429130. Its totient is φ = 25551176.

The previous prime is 51102349. The next prime is 51102367. The reversal of 51102356 is 65320115.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 9060100 = 6484^2 + 3010^2 .

It is a super-2 number, since 2×51102356² = 5222901577501472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387791 + ... + 6387798.

It is an arithmetic number, because the mean of its divisors is an integer number (14904855).

Almost surely, 2^51102356 is an apocalyptic number.

It is an amenable number.

51102356 is a deficient number, since it is larger than the sum of its proper divisors (38326774).

51102356 is a wasteful number, since it uses less digits than its factorization.

51102356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775593 (or 12775591 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51102356 is about 7148.5911898779. The cubic root of 51102356 is about 371.0909026676.

The spelling of 51102356 in words is "fifty-one million, one hundred two thousand, three hundred fifty-six".