50155988 has 12 divisors (see below), whose sum is σ = 87893652. Its totient is φ = 25043520.

The previous prime is 50155951. The next prime is 50156011. The reversal of 50155988 is 88955105.

It can be written as a sum of positive squares in 2 ways, for example, as 5373124 + 44782864 = 2318^2 + 6692^2 .

It is a super-2 number, since 2×50155988² = 5031246264512288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195 + ... + 11282.

It is an arithmetic number, because the mean of its divisors is an integer number (7324471).

Almost surely, 2^50155988 is an apocalyptic number.

It is an amenable number.

50155988 is a deficient number, since it is larger than the sum of its proper divisors (37737664).

50155988 is a wasteful number, since it uses less digits than its factorization.

50155988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242 (or 17240 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 50155988 is about 7082.0892397653. The cubic root of 50155988 is about 368.7858619532.

The spelling of 50155988 in words is "fifty million, one hundred fifty-five thousand, nine hundred eighty-eight".