50278261001052 has 96 divisors (see below), whose sum is σ = 135156815506944. Its totient is φ = 14249441606400.

The previous prime is 50278261001021. The next prime is 50278261001053. The reversal of 50278261001052 is 25010016287205.

It is a super-2 number, since 2×50278261001052² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50278261001052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50278261001053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24693102 + ... + 26651562.

It is an arithmetic number, because the mean of its divisors is an integer number (1407883494864).

Almost surely, 2^{50278261001052} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50278261001052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67578407753472).

50278261001052 is an abundant number, since it is smaller than the sum of its proper divisors (84878554505892).

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

50278261001052 is a wasteful number, since it uses less digits than its factorization.

50278261001052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960939 (or 1960937 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

Adding to 50278261001052 its reverse (25010016287205), we get a palindrome (75288277288257).

The spelling of 50278261001052 in words is "fifty trillion, two hundred seventy-eight billion, two hundred sixty-one million, one thousand, fifty-two".