50474640 has 80 divisors (see below), whose sum is σ = 164721600. Its totient is φ = 12750336.

The previous prime is 50474617. The next prime is 50474657. The reversal of 50474640 is 4647405.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50474598 and 50474607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (2059020).

Almost surely, 2^50474640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82360800).

50474640 is an abundant number, since it is smaller than the sum of its proper divisors (114246960).

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

50474640 is a wasteful number, since it uses less digits than its factorization.

50474640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104 (or 11098 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 50474640 is about 7104.5506543342. The cubic root of 50474640 is about 369.5652063347.

The spelling of 50474640 in words is "fifty million, four hundred seventy-four thousand, six hundred forty".