50101902261 has 6 divisors (see below), whose sum is σ = 72369414390. Its totient is φ = 33401268168.

The previous prime is 50101902259. The next prime is 50101902281. The reversal of 50101902261 is 16220910105.

It can be written as a sum of positive squares in only one way, i.e., 43911202500 + 6190699761 = 209550^2 + 78681^2 .

It is not a de Polignac number, because 50101902261 - 2¹ = 50101902259 is a prime.

It is a super-2 number, since 2×50101902261² (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 (50101902241) 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, 2783439006 + ... + 2783439023.

It is an arithmetic number, because the mean of its divisors is an integer number (12061569065).

Almost surely, 2^50101902261 is an apocalyptic number.

It is an amenable number.

50101902261 is a deficient number, since it is larger than the sum of its proper divisors (22267512129).

50101902261 is a wasteful number, since it uses less digits than its factorization.

50101902261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566878035 (or 5566878032 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 50101902261 in words is "fifty billion, one hundred one million, nine hundred two thousand, two hundred sixty-one".