52025212540 has 48 divisors (see below), whose sum is σ = 132205252032. Its totient is φ = 16787966976.

The previous prime is 52025212511. The next prime is 52025212541. The reversal of 52025212540 is 4521252025.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 52025212499 and 52025212508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52025212541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10927287 + ... + 10932046.

It is an arithmetic number, because the mean of its divisors is an integer number (2754276084).

Almost surely, 2^52025212540 is an apocalyptic number.

It is an amenable number.

52025212540 is an abundant number, since it is smaller than the sum of its proper divisors (80180039492).

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

52025212540 is a wasteful number, since it uses less digits than its factorization.

52025212540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21859366 (or 21859364 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 52025212540 its reverse (4521252025), we get a palindrome (56546464565).

The spelling of 52025212540 in words is "fifty-two billion, twenty-five million, two hundred twelve thousand, five hundred forty".