50121616 has 10 divisors (see below), whose sum is σ = 97110662. Its totient is φ = 25060800.

The previous prime is 50121607. The next prime is 50121619. The reversal of 50121616 is 61612105.

It can be written as a sum of positive squares in only one way, i.e., 27081616 + 23040000 = 5204^2 + 4800^2 .

It is a super-5 number, since 5×50121616⁵ (a number of 40 digits) contains 55555 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50121619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566285 + ... + 1566316.

Almost surely, 2^50121616 is an apocalyptic number.

It is an amenable number.

50121616 is a deficient number, since it is larger than the sum of its proper divisors (46989046).

50121616 is a wasteful number, since it uses less digits than its factorization.

50121616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132609 (or 3132603 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 50121616 is about 7079.6621388312. The cubic root of 50121616 is about 368.7015994695.

The spelling of 50121616 in words is "fifty million, one hundred twenty-one thousand, six hundred sixteen".