50952391 has 16 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 41999328.

The previous prime is 50952353. The next prime is 50952397. The reversal of 50952391 is 19325905.

It is a happy number.

50952391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50952391 - 2²¹ = 48855239 is a prime.

It is a super-2 number, since 2×50952391² = 5192292297233762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50952397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101046 + ... + 101548.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^50952391 is an apocalyptic number.

50952391 is a deficient number, since it is larger than the sum of its proper divisors (9527609).

50952391 is a wasteful number, since it uses less digits than its factorization.

50952391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 50952391 is about 7138.0943535372. The cubic root of 50952391 is about 370.7275458156.

It can be divided in two parts, 509 and 52391, that added together give a square (52900 = 230²).

The spelling of 50952391 in words is "fifty million, nine hundred fifty-two thousand, three hundred ninety-one".