50155005501 has 24 divisors (see below), whose sum is σ = 73700321760. Its totient is φ = 32858212896.

The previous prime is 50155005487. The next prime is 50155005541. The reversal of 50155005501 is 10550055105.

50155005501 is a `hidden beast` number, since 5 + 0 + 155 + 0 + 0 + 5 + 501 = 666.

It is not a de Polignac number, because 50155005501 - 2⁹ = 50155004989 is a prime.

It is a super-2 number, since 2×50155005501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155005541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1621755 + ... + 1652391.

It is an arithmetic number, because the mean of its divisors is an integer number (3070846740).

Almost surely, 2^50155005501 is an apocalyptic number.

It is an amenable number.

50155005501 is a deficient number, since it is larger than the sum of its proper divisors (23545316259).

50155005501 is a wasteful number, since it uses less digits than its factorization.

50155005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33785 (or 33782 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 50155005501 in words is "fifty billion, one hundred fifty-five million, five thousand, five hundred one".