50442155 has 8 divisors (see below), whose sum is σ = 60606672. Its totient is φ = 40303008.

The previous prime is 50442149. The next prime is 50442173. The reversal of 50442155 is 55124405.

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

It is a cyclic number.

It is not a de Polignac number, because 50442155 - 2⁸ = 50441899 is a prime.

It is a super-2 number, since 2×50442155² = 5088822002088050, which contains 22 as substring.

It is a Duffinian number.

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, 1649 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (7575834).

Almost surely, 2^50442155 is an apocalyptic number.

50442155 is a deficient number, since it is larger than the sum of its proper divisors (10164517).

50442155 is a wasteful number, since it uses less digits than its factorization.

50442155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 50442155 is about 7102.2640756311. The cubic root of 50442155 is about 369.4859064318.

The spelling of 50442155 in words is "fifty million, four hundred forty-two thousand, one hundred fifty-five".