47922591 has 8 divisors (see below), whose sum is σ = 63977904. Its totient is φ = 31907840.

The previous prime is 47922577. The next prime is 47922599. The reversal of 47922591 is 19522974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47922591 - 2⁶ = 47922527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47922599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7266 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (7997238).

Almost surely, 2^47922591 is an apocalyptic number.

47922591 is a deficient number, since it is larger than the sum of its proper divisors (16055313).

47922591 is a wasteful number, since it uses less digits than its factorization.

47922591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20281.

The product of its digits is 45360, while the sum is 39.

The square root of 47922591 is about 6922.6144627590. The cubic root of 47922591 is about 363.2286502746.

The spelling of 47922591 in words is "forty-seven million, nine hundred twenty-two thousand, five hundred ninety-one".