54648521064 has 48 divisors (see below), whose sum is σ = 148949158020. Its totient is φ = 18100143360.

The previous prime is 54648521003. The next prime is 54648521101. The reversal of 54648521064 is 46012584645.

It is a happy number.

54648521064 is a `hidden beast` number, since 5 + 4 + 64 + 8 + 521 + 0 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50207364900 + 4441156164 = 224070^2 + 66642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2405917 + ... + 2428524.

Almost surely, 2^54648521064 is an apocalyptic number.

It is an amenable number.

54648521064 is an abundant number, since it is smaller than the sum of its proper divisors (94300636956).

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

54648521064 is a wasteful number, since it uses less digits than its factorization.

54648521064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834610 (or 4834603 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 54648521064 in words is "fifty-four billion, six hundred forty-eight million, five hundred twenty-one thousand, sixty-four".