47978050 has 12 divisors (see below), whose sum is σ = 89239266. Its totient is φ = 19191200.

The previous prime is 47978017. The next prime is 47978057. The reversal of 47978050 is 5087974.

It can be written as a sum of positive squares in 3 ways, for example, as 30813601 + 17164449 = 5551^2 + 4143^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47977994 and 47978012.

It is not an unprimeable number, because it can be changed into a prime (47978057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479731 + ... + 479830.

Almost surely, 2^47978050 is an apocalyptic number.

47978050 is a deficient number, since it is larger than the sum of its proper divisors (41261216).

47978050 is a wasteful number, since it uses less digits than its factorization.

47978050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959573 (or 959568 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 47978050 is about 6926.6189443335. The cubic root of 47978050 is about 363.3687131798.

The spelling of 47978050 in words is "forty-seven million, nine hundred seventy-eight thousand, fifty".