50142456 has 128 divisors (see below), whose sum is σ = 171494400. Its totient is φ = 13219200.

The previous prime is 50142451. The next prime is 50142457. The reversal of 50142456 is 65424105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18381 + ... + 20931.

It is an arithmetic number, because the mean of its divisors is an integer number (1339800).

Almost surely, 2^50142456 is an apocalyptic number.

50142456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50142456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85747200).

50142456 is an abundant number, since it is smaller than the sum of its proper divisors (121351944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50142456 is a wasteful number, since it uses less digits than its factorization.

50142456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 50142456 is about 7081.1338075198. The cubic root of 50142456 is about 368.7526930379.

The spelling of 50142456 in words is "fifty million, one hundred forty-two thousand, four hundred fifty-six".