50402613145 has 8 divisors (see below), whose sum is σ = 60484397256. Its totient is φ = 40321249536.

The previous prime is 50402613139. The next prime is 50402613179. The reversal of 50402613145 is 54131620405.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13256989321 + 37145623824 = 115139^2 + 192732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50402613145 - 2⁹ = 50402612633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301729 + ... + 438001.

It is an arithmetic number, because the mean of its divisors is an integer number (7560549657).

Almost surely, 2^50402613145 is an apocalyptic number.

It is an amenable number.

50402613145 is a deficient number, since it is larger than the sum of its proper divisors (10081784111).

50402613145 is a wasteful number, since it uses less digits than its factorization.

50402613145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210251.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 50402613145 in words is "fifty billion, four hundred two million, six hundred thirteen thousand, one hundred forty-five".