51624024003401 has 4 divisors (see below), whose sum is σ = 51624069412500. Its totient is φ = 51623978594304.

The previous prime is 51624024003341. The next prime is 51624024003413. The reversal of 51624024003401 is 10430042042615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47490691039801 + 4133332963600 = 6891349^2 + 2033060^2 .

It is a cyclic number.

It is not a de Polignac number, because 51624024003401 - 2⁶ = 51624024003337 is a prime.

It is a super-2 number, since 2×51624024003401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51624024003451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20954276 + ... + 23287973.

It is an arithmetic number, because the mean of its divisors is an integer number (12906017353125).

Almost surely, 2^{51624024003401} is an apocalyptic number.

It is an amenable number.

51624024003401 is a deficient number, since it is larger than the sum of its proper divisors (45409099).

51624024003401 is a wasteful number, since it uses less digits than its factorization.

51624024003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45409098.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 51624024003401 in words is "fifty-one trillion, six hundred twenty-four billion, twenty-four million, three thousand, four hundred one".