52645309529085 has 128 divisors (see below), whose sum is σ = 115205693568000. Its totient is φ = 22212086270976.

The previous prime is 52645309529081. The next prime is 52645309529089. The reversal of 52645309529085 is 58092590354625.

52645309529085 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 530 + 9 + 5 + 2 + 90 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (52645309529081) and next prime (52645309529089).

It is not a de Polignac number, because 52645309529085 - 2² = 52645309529081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52645309529081) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 89497911 + ... + 90084219.

It is an arithmetic number, because the mean of its divisors is an integer number (900044481000).

Almost surely, 2^{52645309529085} is an apocalyptic number.

It is an amenable number.

52645309529085 is an abundant number, since it is smaller than the sum of its proper divisors (62560384038915).

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

52645309529085 is a wasteful number, since it uses less digits than its factorization.

52645309529085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593652 (or 593646 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 63.

The spelling of 52645309529085 in words is "fifty-two trillion, six hundred forty-five billion, three hundred nine million, five hundred twenty-nine thousand, eighty-five".