50619901 has 4 divisors (see below), whose sum is σ = 51797152. Its totient is φ = 49442652.

The previous prime is 50619889. The next prime is 50619913. The reversal of 50619901 is 10991605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50619889) and next prime (50619913).

It is a cyclic number.

It is not a de Polignac number, because 50619901 - 2¹³ = 50611709 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 (50619301) 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, 588561 + ... + 588646.

It is an arithmetic number, because the mean of its divisors is an integer number (12949288).

Almost surely, 2^50619901 is an apocalyptic number.

It is an amenable number.

50619901 is a deficient number, since it is larger than the sum of its proper divisors (1177251).

50619901 is a wasteful number, since it uses less digits than its factorization.

50619901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177250.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 50619901 is about 7114.7664051605. The cubic root of 50619901 is about 369.9193907668.

The spelling of 50619901 in words is "fifty million, six hundred nineteen thousand, nine hundred one".