50155137 has 6 divisors (see below), whose sum is σ = 72446322. Its totient is φ = 33436752.

The previous prime is 50155121. The next prime is 50155141. The reversal of 50155137 is 73155105.

It can be written as a sum of positive squares in only one way, i.e., 48316401 + 1838736 = 6951^2 + 1356^2 .

It is not a de Polignac number, because 50155137 - 2⁴ = 50155121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50155137.

It is not an unprimeable number, because it can be changed into a prime (50155187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2786388 + ... + 2786405.

It is an arithmetic number, because the mean of its divisors is an integer number (12074387).

Almost surely, 2^50155137 is an apocalyptic number.

It is an amenable number.

50155137 is a deficient number, since it is larger than the sum of its proper divisors (22291185).

50155137 is a wasteful number, since it uses less digits than its factorization.

50155137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572799 (or 5572796 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 50155137 is about 7082.0291583698. The cubic root of 50155137 is about 368.7837762033.

The spelling of 50155137 in words is "fifty million, one hundred fifty-five thousand, one hundred thirty-seven".