47378550 has 24 divisors (see below), whose sum is σ = 117499176. Its totient is φ = 12634240.

The previous prime is 47378549. The next prime is 47378563. The reversal of 47378550 is 5587374.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47378499 and 47378508.

It is a congruent number.

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, 157779 + ... + 158078.

It is an arithmetic number, because the mean of its divisors is an integer number (4895799).

Almost surely, 2^47378550 is an apocalyptic number.

47378550 is an abundant number, since it is smaller than the sum of its proper divisors (70120626).

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

47378550 is a wasteful number, since it uses less digits than its factorization.

47378550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315872 (or 315867 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 47378550 is about 6883.2078277501. The cubic root of 47378550 is about 361.8488986099.

The spelling of 47378550 in words is "forty-seven million, three hundred seventy-eight thousand, five hundred fifty".