50555550553 has 8 divisors (see below), whose sum is σ = 50904477000. Its totient is φ = 50206752768.

The previous prime is 50555550533. The next prime is 50555550557. The reversal of 50555550553 is 35505555505.

It can be written as a sum of positive squares in 4 ways, for example, as 4260433984 + 46295116569 = 65272^2 + 215163^2 .

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 50555550553 - 2³³ = 41965615961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555550557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836953 + ... + 895321.

It is an arithmetic number, because the mean of its divisors is an integer number (6363059625).

Almost surely, 2^50555550553 is an apocalyptic number.

It is an amenable number.

50555550553 is a deficient number, since it is larger than the sum of its proper divisors (348926447).

50555550553 is a wasteful number, since it uses less digits than its factorization.

50555550553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64331.

The product of its (nonzero) digits is 1171875, while the sum is 43.

The spelling of 50555550553 in words is "fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred fifty-three".