47740551 has 8 divisors (see below), whose sum is σ = 63686784. Its totient is φ = 31810680.

The previous prime is 47740547. The next prime is 47740591. The reversal of 47740551 is 15504774.

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

It is not a de Polignac number, because 47740551 - 2² = 47740547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47740501) 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, 7080 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (7960848).

Almost surely, 2^47740551 is an apocalyptic number.

47740551 is a deficient number, since it is larger than the sum of its proper divisors (15946233).

47740551 is a wasteful number, since it uses less digits than its factorization.

47740551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 47740551 is about 6909.4537410710. The cubic root of 47740551 is about 362.7681434191.

The spelling of 47740551 in words is "forty-seven million, seven hundred forty thousand, five hundred fifty-one".