51021510034 has 16 divisors (see below), whose sum is σ = 85526080416. Its totient is φ = 22625946400.

The previous prime is 51021510019. The next prime is 51021510061. The reversal of 51021510034 is 43001512015.

It is a happy number.

It is a super-2 number, since 2×51021510034² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 51021509987 and 51021510014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28281532 + ... + 28283335.

It is an arithmetic number, because the mean of its divisors is an integer number (5345380026).

Almost surely, 2^51021510034 is an apocalyptic number.

51021510034 is a deficient number, since it is larger than the sum of its proper divisors (34504570382).

51021510034 is a wasteful number, since it uses less digits than its factorization.

51021510034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56564921.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 51021510034 in words is "fifty-one billion, twenty-one million, five hundred ten thousand, thirty-four".