50553442 has 16 divisors (see below), whose sum is σ = 77461920. Its totient is φ = 24736768.

The previous prime is 50553421. The next prime is 50553457. The reversal of 50553442 is 24435505.

It is a self number, because there is not a number n which added to its sum of digits gives 50553442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29493 + ... + 31159.

It is an arithmetic number, because the mean of its divisors is an integer number (4841370).

Almost surely, 2^50553442 is an apocalyptic number.

50553442 is a deficient number, since it is larger than the sum of its proper divisors (26908478).

50553442 is a wasteful number, since it uses less digits than its factorization.

50553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 50553442 is about 7110.0943734946. The cubic root of 50553442 is about 369.7574304892.

Adding to 50553442 its reverse (24435505), we get a palindrome (74988947).

The spelling of 50553442 in words is "fifty million, five hundred fifty-three thousand, four hundred forty-two".