53687725028 has 24 divisors (see below), whose sum is σ = 109994365824. Its totient is φ = 22447828800.

The previous prime is 53687725009. The next prime is 53687725033. The reversal of 53687725028 is 82052778635.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23382008 + ... + 23384303.

It is an arithmetic number, because the mean of its divisors is an integer number (4583098576).

Almost surely, 2^53687725028 is an apocalyptic number.

It is an amenable number.

53687725028 is an abundant number, since it is smaller than the sum of its proper divisors (56306640796).

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

53687725028 is a wasteful number, since it uses less digits than its factorization.

53687725028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46766363 (or 46766361 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 53687725028 in words is "fifty-three billion, six hundred eighty-seven million, seven hundred twenty-five thousand, twenty-eight".