47821650 has 24 divisors (see below), whose sum is σ = 118598064. Its totient is φ = 12752400.

The previous prime is 47821637. The next prime is 47821693. The reversal of 47821650 is 5612874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159256 + ... + 159555.

It is an arithmetic number, because the mean of its divisors is an integer number (4941586).

Almost surely, 2^47821650 is an apocalyptic number.

47821650 is an abundant number, since it is smaller than the sum of its proper divisors (70776414).

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

47821650 is a wasteful number, since it uses less digits than its factorization.

47821650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318826 (or 318821 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 47821650 is about 6915.3199492142. The cubic root of 47821650 is about 362.9734440120.

The spelling of 47821650 in words is "forty-seven million, eight hundred twenty-one thousand, six hundred fifty".