52021718254 has 16 divisors (see below), whose sum is σ = 85148288640. Its totient is φ = 23640168760.

The previous prime is 52021718239. The next prime is 52021718261. The reversal of 52021718254 is 45281712025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215074 + ... + 387685.

It is an arithmetic number, because the mean of its divisors is an integer number (5321768040).

Almost surely, 2^52021718254 is an apocalyptic number.

52021718254 is a deficient number, since it is larger than the sum of its proper divisors (33126570386).

52021718254 is a wasteful number, since it uses less digits than its factorization.

52021718254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606695.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 52021718254 in words is "fifty-two billion, twenty-one million, seven hundred eighteen thousand, two hundred fifty-four".