63520052454 has 48 divisors (see below), whose sum is σ = 139224676032. Its totient is φ = 20928547584.

The previous prime is 63520052429. The next prime is 63520052459. The reversal of 63520052454 is 45425002536.

63520052454 is a `hidden beast` number, since 63 + 5 + 20 + 0 + 524 + 54 = 666.

63520052454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63520052454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63520052459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703932 + ... + 789024.

It is an arithmetic number, because the mean of its divisors is an integer number (2900514084).

Almost surely, 2^63520052454 is an apocalyptic number.

63520052454 is an abundant number, since it is smaller than the sum of its proper divisors (75704623578).

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

63520052454 is a wasteful number, since it uses less digits than its factorization.

63520052454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85581 (or 85578 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 63520052454 in words is "sixty-three billion, five hundred twenty million, fifty-two thousand, four hundred fifty-four".