53516432626 has 4 divisors (see below), whose sum is σ = 80274648942. Its totient is φ = 26758216312.

The previous prime is 53516432623. The next prime is 53516432659. The reversal of 53516432626 is 62623461535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42869288401 + 10647144225 = 207049^2 + 103185^2 .

It is a super-2 number, since 2×53516432626² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53516432621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13379108155 + ... + 13379108158.

Almost surely, 2^53516432626 is an apocalyptic number.

53516432626 is a deficient number, since it is larger than the sum of its proper divisors (26758216316).

53516432626 is a wasteful number, since it uses less digits than its factorization.

53516432626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758216315.

The product of its digits is 777600, while the sum is 43.

The spelling of 53516432626 in words is "fifty-three billion, five hundred sixteen million, four hundred thirty-two thousand, six hundred twenty-six".