50745121 has 16 divisors (see below), whose sum is σ = 59157504. Its totient is φ = 42632784.

The previous prime is 50745103. The next prime is 50745139. The reversal of 50745121 is 12154705.

It is an interprime number because it is at equal distance from previous prime (50745103) and next prime (50745139).

It is not a de Polignac number, because 50745121 - 2¹¹ = 50743073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50745151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96766 + ... + 97288.

It is an arithmetic number, because the mean of its divisors is an integer number (3697344).

Almost surely, 2^50745121 is an apocalyptic number.

It is an amenable number.

50745121 is a deficient number, since it is larger than the sum of its proper divisors (8412383).

50745121 is a wasteful number, since it uses less digits than its factorization.

50745121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 50745121 is about 7123.5609774887. The cubic root of 50745121 is about 370.2241665705.

Adding to 50745121 its reverse (12154705), we get a palindrome (62899826).

The spelling of 50745121 in words is "fifty million, seven hundred forty-five thousand, one hundred twenty-one".