53051021013 has 16 divisors (see below), whose sum is σ = 73907692416. Its totient is φ = 33784914240.

The previous prime is 53051020999. The next prime is 53051021047. The reversal of 53051021013 is 31012015035.

53051021013 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 53051021013 - 2¹² = 53051016917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53051021213) 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, 455598 + ... + 560063.

It is an arithmetic number, because the mean of its divisors is an integer number (4619230776).

Almost surely, 2^53051021013 is an apocalyptic number.

It is an amenable number.

53051021013 is a deficient number, since it is larger than the sum of its proper divisors (20856671403).

53051021013 is a wasteful number, since it uses less digits than its factorization.

53051021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016444.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 53051021013 its reverse (31012015035), we get a palindrome (84063036048).

The spelling of 53051021013 in words is "fifty-three billion, fifty-one million, twenty-one thousand, thirteen".