51624242615 has 32 divisors (see below), whose sum is σ = 68295439872. Its totient is φ = 37148400000.

The previous prime is 51624242603. The next prime is 51624242633.

51624242615 is nontrivially palindromic in base 10.

51624242615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51624242615 - 2¹⁶ = 51624177079 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14168984 + ... + 14172626.

It is an arithmetic number, because the mean of its divisors is an integer number (2134232496).

Almost surely, 2^51624242615 is an apocalyptic number.

51624242615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51624242615 is a deficient number, since it is larger than the sum of its proper divisors (16671197257).

51624242615 is a wasteful number, since it uses less digits than its factorization.

51624242615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311.

The product of its digits is 115200, while the sum is 38.

The spelling of 51624242615 in words is "fifty-one billion, six hundred twenty-four million, two hundred forty-two thousand, six hundred fifteen".