47542900 has 18 divisors (see below), whose sum is σ = 103168310. Its totient is φ = 19017120.

The previous prime is 47542889. The next prime is 47542927. The reversal of 47542900 is 924574.

It can be written as a sum of positive squares in 3 ways, for example, as 8054244 + 39488656 = 2838^2 + 6284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237615 + ... + 237814.

Almost surely, 2^47542900 is an apocalyptic number.

It is an amenable number.

47542900 is an abundant number, since it is smaller than the sum of its proper divisors (55625410).

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

47542900 is a wasteful number, since it uses less digits than its factorization.

47542900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475443 (or 475436 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47542900 is about 6895.1359667522. The cubic root of 47542900 is about 362.2668179306.

The spelling of 47542900 in words is "forty-seven million, five hundred forty-two thousand, nine hundred".