50973274156249 has 9 divisors (see below), whose sum is σ = 52388435659581. Its totient is φ = 49595361073920.

The previous prime is 50973274156247. The next prime is 50973274156307. The reversal of 50973274156249 is 94265147237905.

The square root of 50973274156249 is 7139557.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14960457015625 + 36012817140624 = 3867875^2 + 6001068^2 .

It is not a de Polignac number, because 50973274156249 - 2¹ = 50973274156247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50973274156247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 264067129 + ... + 264260089.

It is an arithmetic number, because the mean of its divisors is an integer number (5820937295509).

Almost surely, 2^{50973274156249} is an apocalyptic number.

50973274156249 is the 7139557-th square number.

50973274156249 is the 3569779-th centered octagonal number.

It is an amenable number.

50973274156249 is a deficient number, since it is larger than the sum of its proper divisors (1415161503332).

50973274156249 is an frugal number, since it uses more digits than its factorization.

50973274156249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385996 (or 192998 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 64.

The spelling of 50973274156249 in words is "fifty trillion, nine hundred seventy-three billion, two hundred seventy-four million, one hundred fifty-six thousand, two hundred forty-nine".