50420351 has 4 divisors (see below), whose sum is σ = 53386272. Its totient is φ = 47454432.

The previous prime is 50420329. The next prime is 50420387. The reversal of 50420351 is 15302405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15302405 = 5 ⋅3060481.

It is a cyclic number.

It is not a de Polignac number, because 50420351 - 2⁶ = 50420287 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 (50420551) 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, 1482935 + ... + 1482968.

It is an arithmetic number, because the mean of its divisors is an integer number (13346568).

Almost surely, 2^50420351 is an apocalyptic number.

50420351 is a deficient number, since it is larger than the sum of its proper divisors (2965921).

50420351 is a wasteful number, since it uses less digits than its factorization.

50420351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965920.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50420351 is about 7100.7289062462. The cubic root of 50420351 is about 369.4326610740.

Adding to 50420351 its reverse (15302405), we get a palindrome (65722756).

The spelling of 50420351 in words is "fifty million, four hundred twenty thousand, three hundred fifty-one".