47478550 has 36 divisors (see below), whose sum is σ = 102733380. Its totient is φ = 16277520.

The previous prime is 47478523. The next prime is 47478551. The reversal of 47478550 is 5587474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47478551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7240 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (2853705).

Almost surely, 2^47478550 is an apocalyptic number.

47478550 is an abundant number, since it is smaller than the sum of its proper divisors (55254830).

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

47478550 is a wasteful number, since it uses less digits than its factorization.

47478550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19405 (or 19393 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 47478550 is about 6890.4680537682. The cubic root of 47478550 is about 362.1032996815.

The spelling of 47478550 in words is "forty-seven million, four hundred seventy-eight thousand, five hundred fifty".