53012442531 has 8 divisors (see below), whose sum is σ = 70688742160. Its totient is φ = 35338885632.

The previous prime is 53012442493. The next prime is 53012442557. The reversal of 53012442531 is 13524421035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53012442531 - 2⁷ = 53012442403 is a prime.

It is a super-2 number, since 2×53012442531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53012442631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640150 + ... + 718203.

It is an arithmetic number, because the mean of its divisors is an integer number (8836092770).

Almost surely, 2^53012442531 is an apocalyptic number.

53012442531 is a deficient number, since it is larger than the sum of its proper divisors (17676299629).

53012442531 is a wasteful number, since it uses less digits than its factorization.

53012442531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371365.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 53012442531 its reverse (13524421035), we get a palindrome (66536863566).

The spelling of 53012442531 in words is "fifty-three billion, twelve million, four hundred forty-two thousand, five hundred thirty-one".