53516619851472 has 70 divisors (see below), whose sum is σ = 155461559569842. Its totient is φ = 17838873279936.

The previous prime is 53516619851459. The next prime is 53516619851479. The reversal of 53516619851472 is 27415891661535.

53516619851472 is a `hidden beast` number, since 5 + 3 + 5 + 1 + 6 + 619 + 8 + 5 + 1 + 4 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34041203546256 + 19475416305216 = 5834484^2 + 4413096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53516619851479) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2294082123 + ... + 2294105450.

Almost surely, 2^{53516619851472} is an apocalyptic number.

It is an amenable number.

53516619851472 is an abundant number, since it is smaller than the sum of its proper divisors (101944939718370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53516619851472 is an equidigital number, since it uses as much as digits as its factorization.

53516619851472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588187599 (or 4588187578 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 63.

The spelling of 53516619851472 in words is "fifty-three trillion, five hundred sixteen billion, six hundred nineteen million, eight hundred fifty-one thousand, four hundred seventy-two".