50101951 has 4 divisors (see below), whose sum is σ = 50433904. Its totient is φ = 49770000.

The previous prime is 50101949. The next prime is 50101969. The reversal of 50101951 is 15910105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15910105 = 5 ⋅3182021.

It is a cyclic number.

It is not a de Polignac number, because 50101951 - 2¹ = 50101949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50101901) 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, 165750 + ... + 166051.

It is an arithmetic number, because the mean of its divisors is an integer number (12608476).

Almost surely, 2^50101951 is an apocalyptic number.

50101951 is the 3166-th centered decagonal number.

50101951 is a deficient number, since it is larger than the sum of its proper divisors (331953).

50101951 is a wasteful number, since it uses less digits than its factorization.

50101951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331952.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 50101951 is about 7078.2731651159. The cubic root of 50101951 is about 368.6533736675.

The spelling of 50101951 in words is "fifty million, one hundred one thousand, nine hundred fifty-one".