50661253 has 8 divisors (see below), whose sum is σ = 51852672. Its totient is φ = 49474656.

The previous prime is 50661229. The next prime is 50661263. The reversal of 50661253 is 35216605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50661253 - 2⁹ = 50660741 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 (50661263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28126 + ... + 29872.

It is an arithmetic number, because the mean of its divisors is an integer number (6481584).

Almost surely, 2^50661253 is an apocalyptic number.

It is an amenable number.

50661253 is a deficient number, since it is larger than the sum of its proper divisors (1191419).

50661253 is a wasteful number, since it uses less digits than its factorization.

50661253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50661253 is about 7117.6718806082. The cubic root of 50661253 is about 370.0200938686.

Adding to 50661253 its reverse (35216605), we get a palindrome (85877858).

The spelling of 50661253 in words is "fifty million, six hundred sixty-one thousand, two hundred fifty-three".