47007551 has 4 divisors (see below), whose sum is σ = 47021832. Its totient is φ = 46993272.

The previous prime is 47007529. The next prime is 47007559. The reversal of 47007551 is 15570074.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47007551 - 2⁶ = 47007487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47007559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (11755458).

Almost surely, 2^47007551 is an apocalyptic number.

47007551 is a deficient number, since it is larger than the sum of its proper divisors (14281).

47007551 is an equidigital number, since it uses as much as digits as its factorization.

47007551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 47007551 is about 6856.2052915589. The cubic root of 47007551 is about 360.9019333944.

The spelling of 47007551 in words is "forty-seven million, seven thousand, five hundred fifty-one".