50749155 has 24 divisors (see below), whose sum is σ = 91791648. Its totient is φ = 25888896.

The previous prime is 50749147. The next prime is 50749169. The reversal of 50749155 is 55194705.

It is not a de Polignac number, because 50749155 - 2³ = 50749147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23482 + ... + 25551.

It is an arithmetic number, because the mean of its divisors is an integer number (3824652).

Almost surely, 2^50749155 is an apocalyptic number.

50749155 is a deficient number, since it is larger than the sum of its proper divisors (41042493).

50749155 is a wasteful number, since it uses less digits than its factorization.

50749155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49067 (or 49064 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 50749155 is about 7123.8441167673. The cubic root of 50749155 is about 370.2339766743.

The spelling of 50749155 in words is "fifty million, seven hundred forty-nine thousand, one hundred fifty-five".