50401142 has 16 divisors (see below), whose sum is σ = 86061312. Its totient is φ = 21913320.

The previous prime is 50401123. The next prime is 50401147. The reversal of 50401142 is 24110405.

It is a super-2 number, since 2×50401142² = 5080550229808328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50401142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50401147) 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, 49298 + ... + 50309.

It is an arithmetic number, because the mean of its divisors is an integer number (5378832).

Almost surely, 2^50401142 is an apocalyptic number.

50401142 is a deficient number, since it is larger than the sum of its proper divisors (35660170).

50401142 is a wasteful number, since it uses less digits than its factorization.

50401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99643.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50401142 is about 7099.3761697772. The cubic root of 50401142 is about 369.3857399847.

Adding to 50401142 its reverse (24110405), we get a palindrome (74511547).

The spelling of 50401142 in words is "fifty million, four hundred one thousand, one hundred forty-two".