50178340 has 12 divisors (see below), whose sum is σ = 105374556. Its totient is φ = 20071328.

The previous prime is 50178329. The next prime is 50178343. The reversal of 50178340 is 4387105.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 37675044 = 3536^2 + 6138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50178299 and 50178308.

It is not an unprimeable number, because it can be changed into a prime (50178343) 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, 1254439 + ... + 1254478.

It is an arithmetic number, because the mean of its divisors is an integer number (8781213).

Almost surely, 2^50178340 is an apocalyptic number.

It is an amenable number.

50178340 is an abundant number, since it is smaller than the sum of its proper divisors (55196216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50178340 is a wasteful number, since it uses less digits than its factorization.

50178340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508926 (or 2508924 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50178340 is about 7083.6671293900. The cubic root of 50178340 is about 368.8406369176.

The spelling of 50178340 in words is "fifty million, one hundred seventy-eight thousand, three hundred forty".