50472155 has 4 divisors (see below), whose sum is σ = 60566592. Its totient is φ = 40377720.

The previous prime is 50472139. The next prime is 50472161. The reversal of 50472155 is 55127405.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50472155 - 2⁴ = 50472139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5047211 + ... + 5047220.

It is an arithmetic number, because the mean of its divisors is an integer number (15141648).

Almost surely, 2^50472155 is an apocalyptic number.

50472155 is a deficient number, since it is larger than the sum of its proper divisors (10094437).

50472155 is a wasteful number, since it uses less digits than its factorization.

50472155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094436.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 50472155 is about 7104.3757642737. The cubic root of 50472155 is about 369.5591413444.

The spelling of 50472155 in words is "fifty million, four hundred seventy-two thousand, one hundred fifty-five".