50155501 has 16 divisors (see below), whose sum is σ = 56567808. Its totient is φ = 44074800.

The previous prime is 50155493. The next prime is 50155513. The reversal of 50155501 is 10555105.

It is not a de Polignac number, because 50155501 - 2³ = 50155493 is a prime.

It is a super-2 number, since 2×50155501² = 5031148561122002, which contains 22 as substring.

50155501 is a Rhonda number in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50116 + ... + 51106.

It is an arithmetic number, because the mean of its divisors is an integer number (3535488).

Almost surely, 2^50155501 is an apocalyptic number.

It is an amenable number.

50155501 is a deficient number, since it is larger than the sum of its proper divisors (6412307).

50155501 is a wasteful number, since it uses less digits than its factorization.

50155501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 50155501 is about 7082.0548571725. The cubic root of 50155501 is about 368.7846683483.

It can be divided in two parts, 50 and 155501, that added together give a palindrome (155551).

The spelling of 50155501 in words is "fifty million, one hundred fifty-five thousand, five hundred one".