53553113531 has 4 divisors (see below), whose sum is σ = 53907770064. Its totient is φ = 53198457000.

The previous prime is 53553113519. The next prime is 53553113557. The reversal of 53553113531 is 13531135535.

It is a happy number.

53553113531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13531135535 = 5 ⋅2706227107.

It is a cyclic number.

It is not a de Polignac number, because 53553113531 - 2²² = 53548919227 is a prime.

It is a super-2 number, since 2×53553113531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53553113491 and 53553113500.

It is not an unprimeable number, because it can be changed into a prime (53553113501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177328040 + ... + 177328341.

It is an arithmetic number, because the mean of its divisors is an integer number (13476942516).

Almost surely, 2^53553113531 is an apocalyptic number.

53553113531 is a deficient number, since it is larger than the sum of its proper divisors (354656533).

53553113531 is a wasteful number, since it uses less digits than its factorization.

53553113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354656532.

The product of its digits is 50625, while the sum is 35.

The spelling of 53553113531 in words is "fifty-three billion, five hundred fifty-three million, one hundred thirteen thousand, five hundred thirty-one".