53061072921031 has 16 divisors (see below), whose sum is σ = 61242468312064. Its totient is φ = 45030168238464.

The previous prime is 53061072921007. The next prime is 53061072921049. The reversal of 53061072921031 is 13012927016035.

It is a cyclic number.

It is not a de Polignac number, because 53061072921031 - 2²³ = 53061064532423 is a prime.

It is a super-2 number, since 2×53061072921031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53061072921001) 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, 3969906 + ... + 11040031.

It is an arithmetic number, because the mean of its divisors is an integer number (3827654269504).

Almost surely, 2^{53061072921031} is an apocalyptic number.

53061072921031 is a deficient number, since it is larger than the sum of its proper divisors (8181395391033).

53061072921031 is a wasteful number, since it uses less digits than its factorization.

53061072921031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15014950.

The product of its (nonzero) digits is 68040, while the sum is 40.

Adding to 53061072921031 its reverse (13012927016035), we get a palindrome (66073999937066).

The spelling of 53061072921031 in words is "fifty-three trillion, sixty-one billion, seventy-two million, nine hundred twenty-one thousand, thirty-one".