51624522542623 has 2 divisors, whose sum is σ = 51624522542624. Its totient is φ = 51624522542622.

The previous prime is 51624522542603. The next prime is 51624522542651. The reversal of 51624522542623 is 32624522542615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51624522542623 - 2⁵ = 51624522542591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51624522542603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25812261271311 + 25812261271312.

It is an arithmetic number, because the mean of its divisors is an integer number (25812261271312).

Almost surely, 2^{51624522542623} is an apocalyptic number.

51624522542623 is a deficient number, since it is larger than the sum of its proper divisors (1).

51624522542623 is an equidigital number, since it uses as much as digits as its factorization.

51624522542623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912000, while the sum is 49.

The spelling of 51624522542623 in words is "fifty-one trillion, six hundred twenty-four billion, five hundred twenty-two million, five hundred forty-two thousand, six hundred twenty-three".