50155331 has 4 divisors (see below), whose sum is σ = 51101712. Its totient is φ = 49208952.

The previous prime is 50155291. The next prime is 50155367. The reversal of 50155331 is 13355105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13355105 = 5 ⋅2671021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50155331 is a prime.

It is a super-2 number, since 2×50155331² = 5031114455439122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50155297 and 50155306.

It is not an unprimeable number, because it can be changed into a prime (50155381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473111 + ... + 473216.

It is an arithmetic number, because the mean of its divisors is an integer number (12775428).

Almost surely, 2^50155331 is an apocalyptic number.

50155331 is a deficient number, since it is larger than the sum of its proper divisors (946381).

50155331 is an equidigital number, since it uses as much as digits as its factorization.

50155331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946380.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 50155331 is about 7082.0428549960. The cubic root of 50155331 is about 368.7842516877.

The spelling of 50155331 in words is "fifty million, one hundred fifty-five thousand, three hundred thirty-one".