50161555 has 8 divisors (see below), whose sum is σ = 60232032. Its totient is φ = 40103808.

The previous prime is 50161547. The next prime is 50161567. The reversal of 50161555 is 55516105.

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 50161555 - 2³ = 50161547 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12754 + ... + 16216.

It is an arithmetic number, because the mean of its divisors is an integer number (7529004).

Almost surely, 2^50161555 is an apocalyptic number.

50161555 is a deficient number, since it is larger than the sum of its proper divisors (10070477).

50161555 is a wasteful number, since it uses less digits than its factorization.

50161555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 50161555 is about 7082.4822625969. The cubic root of 50161555 is about 368.7995057541.

The spelling of 50161555 in words is "fifty million, one hundred sixty-one thousand, five hundred fifty-five".