50442450154 has 4 divisors (see below), whose sum is σ = 75663675234. Its totient is φ = 25221225076.

The previous prime is 50442450137. The next prime is 50442450173. The reversal of 50442450154 is 45105424405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45105424405 = 5 ⋅9021084881.

It can be written as a sum of positive squares in only one way, i.e., 39348673225 + 11093776929 = 198365^2 + 105327^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12610612537 + ... + 12610612540.

Almost surely, 2^50442450154 is an apocalyptic number.

50442450154 is a deficient number, since it is larger than the sum of its proper divisors (25221225080).

50442450154 is a wasteful number, since it uses less digits than its factorization.

50442450154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25221225079.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 50442450154 its reverse (45105424405), we get a palindrome (95547874559).

The spelling of 50442450154 in words is "fifty billion, four hundred forty-two million, four hundred fifty thousand, one hundred fifty-four".