52021125234 has 80 divisors (see below), whose sum is σ = 129582055680. Its totient is φ = 15490141920.

The previous prime is 52021125227. The next prime is 52021125251. The reversal of 52021125234 is 43252112025.

52021125234 is a `hidden beast` number, since 5 + 20 + 2 + 112 + 523 + 4 = 666.

It is a super-2 number, since 2×52021125234² (a number of 22 digits) contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52021125198 and 52021125207.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333124 + ... + 463695.

It is an arithmetic number, because the mean of its divisors is an integer number (1619775696).

Almost surely, 2^52021125234 is an apocalyptic number.

52021125234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

52021125234 is an abundant number, since it is smaller than the sum of its proper divisors (77560930446).

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

52021125234 is a wasteful number, since it uses less digits than its factorization.

52021125234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796877 (or 796868 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 52021125234 its reverse (43252112025), we get a palindrome (95273237259).

The spelling of 52021125234 in words is "fifty-two billion, twenty-one million, one hundred twenty-five thousand, two hundred thirty-four".