53463540064 has 48 divisors (see below), whose sum is σ = 116771336640. Its totient is φ = 23889708160.

The previous prime is 53463540061. The next prime is 53463540083. The reversal of 53463540064 is 46004536435.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53463539999 and 53463540026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53463540061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266394 + ... + 1307929.

It is an arithmetic number, because the mean of its divisors is an integer number (2432736180).

Almost surely, 2^53463540064 is an apocalyptic number.

It is an amenable number.

53463540064 is an abundant number, since it is smaller than the sum of its proper divisors (63307796576).

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

53463540064 is a wasteful number, since it uses less digits than its factorization.

53463540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574403 (or 2574395 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 53463540064 in words is "fifty-three billion, four hundred sixty-three million, five hundred forty thousand, sixty-four".