47667555 has 64 divisors (see below), whose sum is σ = 92373120. Its totient is φ = 23182848.

The previous prime is 47667551. The next prime is 47667577. The reversal of 47667555 is 55576674.

It is not a de Polignac number, because 47667555 - 2² = 47667551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47667555.

It is not an unprimeable number, because it can be changed into a prime (47667551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 275449 + ... + 275621.

It is an arithmetic number, because the mean of its divisors is an integer number (1443330).

Almost surely, 2^47667555 is an apocalyptic number.

47667555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47667555 is a deficient number, since it is larger than the sum of its proper divisors (44705565).

47667555 is a wasteful number, since it uses less digits than its factorization.

47667555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 47667555 is about 6904.1693924758. The cubic root of 47667555 is about 362.5831565073.

It can be divided in two parts, 4766 and 7555, that added together give a palindrome (12321).

The spelling of 47667555 in words is "forty-seven million, six hundred sixty-seven thousand, five hundred fifty-five".