53500025502 has 128 divisors (see below), whose sum is σ = 150056064000. Its totient is φ = 13896023040.

The previous prime is 53500025497. The next prime is 53500025503. The reversal of 53500025502 is 20552000535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53500025503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257374 + ... + 416222.

It is an arithmetic number, because the mean of its divisors is an integer number (1172313000).

Almost surely, 2^53500025502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53500025502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75028032000).

53500025502 is an abundant number, since it is smaller than the sum of its proper divisors (96556038498).

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

53500025502 is a wasteful number, since it uses less digits than its factorization.

53500025502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158890 (or 158872 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The spelling of 53500025502 in words is "fifty-three billion, five hundred million, twenty-five thousand, five hundred two".