50551955 has 4 divisors (see below), whose sum is σ = 60662352. Its totient is φ = 40441560.

The previous prime is 50551939. The next prime is 50551957. The reversal of 50551955 is 55915505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55915505 = 5 ⋅11183101.

It is not a de Polignac number, because 50551955 - 2⁴ = 50551939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50551957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055191 + ... + 5055200.

It is an arithmetic number, because the mean of its divisors is an integer number (15165588).

Almost surely, 2^50551955 is an apocalyptic number.

50551955 is a deficient number, since it is larger than the sum of its proper divisors (10110397).

50551955 is a wasteful number, since it uses less digits than its factorization.

50551955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110396.

The product of its (nonzero) digits is 28125, while the sum is 35.

The square root of 50551955 is about 7109.9898030869. The cubic root of 50551955 is about 369.7538050539.

The spelling of 50551955 in words is "fifty million, five hundred fifty-one thousand, nine hundred fifty-five".