52121051555502 has 32 divisors (see below), whose sum is σ = 105173932361472. Its totient is φ = 17218406265984.

The previous prime is 52121051555483. The next prime is 52121051555519. The reversal of 52121051555502 is 20555515012125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4247133 + ... + 11058039.

It is an arithmetic number, because the mean of its divisors is an integer number (3286685386296).

Almost surely, 2^{52121051555502} is an apocalyptic number.

52121051555502 is an abundant number, since it is smaller than the sum of its proper divisors (53052880805970).

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

52121051555502 is a wasteful number, since it uses less digits than its factorization.

52121051555502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822312.

The product of its (nonzero) digits is 125000, while the sum is 39.

Adding to 52121051555502 its reverse (20555515012125), we get a palindrome (72676566567627).

The spelling of 52121051555502 in words is "fifty-two trillion, one hundred twenty-one billion, fifty-one million, five hundred fifty-five thousand, five hundred two".