52100052621 has 16 divisors (see below), whose sum is σ = 70017187968. Its totient is φ = 34458944000.

The previous prime is 52100052607. The next prime is 52100052661. The reversal of 52100052621 is 12625000125.

It is a happy number.

52100052621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52100052621 - 2¹¹ = 52100050573 is a prime.

It is a super-2 number, since 2×52100052621² (a number of 22 digits) contains 22 as substring.

52100052621 is a modest number, since divided by 52621 gives 521 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 52100052591 and 52100052600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52100052661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161221 + ... + 360821.

It is an arithmetic number, because the mean of its divisors is an integer number (4376074248).

Almost surely, 2^52100052621 is an apocalyptic number.

It is an amenable number.

52100052621 is a deficient number, since it is larger than the sum of its proper divisors (17917135347).

52100052621 is a wasteful number, since it uses less digits than its factorization.

52100052621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200292.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 52100052621 its reverse (12625000125), we get a palindrome (64725052746).

The spelling of 52100052621 in words is "fifty-two billion, one hundred million, fifty-two thousand, six hundred twenty-one".