50991124 has 12 divisors (see below), whose sum is σ = 89286624. Its totient is φ = 25480664.

The previous prime is 50991121. The next prime is 50991131. The reversal of 50991124 is 42119905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50991121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8259 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (7440552).

Almost surely, 2^50991124 is an apocalyptic number.

It is an amenable number.

50991124 is a deficient number, since it is larger than the sum of its proper divisors (38295500).

50991124 is a wasteful number, since it uses less digits than its factorization.

50991124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454 (or 7452 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 50991124 is about 7140.8069572003. The cubic root of 50991124 is about 370.8214619381.

It can be divided in two parts, 50991 and 124, that added together give a palindrome (51115).

The spelling of 50991124 in words is "fifty million, nine hundred ninety-one thousand, one hundred twenty-four".