47921100 has 36 divisors (see below), whose sum is σ = 138652584. Its totient is φ = 12778880.

The previous prime is 47921099. The next prime is 47921117. The reversal of 47921100 is 112974.

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, 79569 + ... + 80168.

Almost surely, 2^47921100 is an apocalyptic number.

It is an amenable number.

47921100 is an abundant number, since it is smaller than the sum of its proper divisors (90731484).

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

47921100 is a wasteful number, since it uses less digits than its factorization.

47921100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159754 (or 159747 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 47921100 is about 6922.5067713943. The cubic root of 47921100 is about 363.2248832305.

The spelling of 47921100 in words is "forty-seven million, nine hundred twenty-one thousand, one hundred".