52952218140 has 24 divisors (see below), whose sum is σ = 148266210960. Its totient is φ = 14120591488.

The previous prime is 52952218129. The next prime is 52952218141. The reversal of 52952218140 is 4181225925.

It is a super-2 number, since 2×52952218140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52952218141) 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, 441268425 + ... + 441268544.

It is an arithmetic number, because the mean of its divisors is an integer number (6177758790).

Almost surely, 2^52952218140 is an apocalyptic number.

It is an amenable number.

52952218140 is an abundant number, since it is smaller than the sum of its proper divisors (95313992820).

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

52952218140 is a wasteful number, since it uses less digits than its factorization.

52952218140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882536981 (or 882536979 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 52952218140 in words is "fifty-two billion, nine hundred fifty-two million, two hundred eighteen thousand, one hundred forty".