51624261301 has 4 divisors (see below), whose sum is σ = 54660982572. Its totient is φ = 48587540032.

The previous prime is 51624261251. The next prime is 51624261313. The reversal of 51624261301 is 10316242615.

It is a happy number.

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 28891160676 + 22733100625 = 169974^2 + 150775^2 .

It is a cyclic number.

It is not a de Polignac number, because 51624261301 - 2¹⁵ = 51624228533 is a prime.

It is a super-3 number, since 3×51624261301³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51624261371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518360610 + ... + 1518360643.

It is an arithmetic number, because the mean of its divisors is an integer number (13665245643).

Almost surely, 2^51624261301 is an apocalyptic number.

It is an amenable number.

51624261301 is a deficient number, since it is larger than the sum of its proper divisors (3036721271).

51624261301 is a wasteful number, since it uses less digits than its factorization.

51624261301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036721270.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 51624261301 in words is "fifty-one billion, six hundred twenty-four million, two hundred sixty-one thousand, three hundred one".