50157121 has 8 divisors (see below), whose sum is σ = 57451520. Its totient is φ = 42895008.

The previous prime is 50157103. The next prime is 50157137. The reversal of 50157121 is 12175105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50157121 - 2⁹ = 50156609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50157092 and 50157101.

It is not an unprimeable number, because it can be changed into a prime (50157521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4641 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (7181440).

Almost surely, 2^50157121 is an apocalyptic number.

It is an amenable number.

50157121 is a deficient number, since it is larger than the sum of its proper divisors (7294399).

50157121 is a wasteful number, since it uses less digits than its factorization.

50157121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 50157121 is about 7082.1692298335. The cubic root of 50157121 is about 368.7886388316.

The spelling of 50157121 in words is "fifty million, one hundred fifty-seven thousand, one hundred twenty-one".