50401553 has 8 divisors (see below), whose sum is σ = 50964480. Its totient is φ = 49842000.

The previous prime is 50401543. The next prime is 50401573. The reversal of 50401553 is 35510405.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50401553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50401513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38768 + ... + 40046.

It is an arithmetic number, because the mean of its divisors is an integer number (6370560).

Almost surely, 2^50401553 is an apocalyptic number.

It is an amenable number.

50401553 is a deficient number, since it is larger than the sum of its proper divisors (562927).

50401553 is a wasteful number, since it uses less digits than its factorization.

50401553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 50401553 is about 7099.4051159234. The cubic root of 50401553 is about 369.3867440435.

Adding to 50401553 its reverse (35510405), we get a palindrome (85911958).

The spelling of 50401553 in words is "fifty million, four hundred one thousand, five hundred fifty-three".