53488726560 has 144 divisors (see below), whose sum is σ = 193267443096. Its totient is φ = 13424615424.

The previous prime is 53488726553. The next prime is 53488726579. The reversal of 53488726560 is 6562788435.

53488726560 is a `hidden beast` number, since 5 + 3 + 4 + 8 + 8 + 72 + 6 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53488588176 + 138384 = 231276^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×53488726560² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53488726497 and 53488726506.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068019 + ... + 1116978.

Almost surely, 2^53488726560 is an apocalyptic number.

It is an amenable number.

53488726560 is an abundant number, since it is smaller than the sum of its proper divisors (139778716536).

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

53488726560 is a wasteful number, since it uses less digits than its factorization.

53488726560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185035 (or 2185024 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 53488726560 in words is "fifty-three billion, four hundred eighty-eight million, seven hundred twenty-six thousand, five hundred sixty".