50142533 has 6 divisors (see below), whose sum is σ = 58329126. Its totient is φ = 42979272.

The previous prime is 50142529. The next prime is 50142551. The reversal of 50142533 is 33524105.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 1044484 = 7007^2 + 1022^2 .

It is not a de Polignac number, because 50142533 - 2² = 50142529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50142499 and 50142508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50112533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511610 + ... + 511707.

It is an arithmetic number, because the mean of its divisors is an integer number (9721521).

Almost surely, 2^50142533 is an apocalyptic number.

It is an amenable number.

50142533 is a deficient number, since it is larger than the sum of its proper divisors (8186593).

50142533 is a wasteful number, since it uses less digits than its factorization.

50142533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023331 (or 1023324 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50142533 is about 7081.1392445001. The cubic root of 50142533 is about 368.7528817930.

Adding to 50142533 its reverse (33524105), we get a palindrome (83666638).

It can be divided in two parts, 501 and 42533, that added together give a palindrome (43034).

The spelling of 50142533 in words is "fifty million, one hundred forty-two thousand, five hundred thirty-three".