2050157543 has 4 divisors (see below), whose sum is σ = 2343037200. Its totient is φ = 1757277888.

The previous prime is 2050157539. The next prime is 2050157561. The reversal of 2050157543 is 3457510502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2050157543 - 2² = 2050157539 is a prime.

It is a super-2 number, since 2×2050157543² = 8406291902239593698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050157533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146439818 + ... + 146439831.

It is an arithmetic number, because the mean of its divisors is an integer number (585759300).

Almost surely, 2^2050157543 is an apocalyptic number.

2050157543 is a deficient number, since it is larger than the sum of its proper divisors (292879657).

2050157543 is an equidigital number, since it uses as much as digits as its factorization.

2050157543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292879656.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2050157543 is about 45278.6654286541. The cubic root of 2050157543 is about 1270.3666337672.

The spelling of 2050157543 in words is "two billion, fifty million, one hundred fifty-seven thousand, five hundred forty-three".