47291455 has 4 divisors (see below), whose sum is σ = 56749752. Its totient is φ = 37833160.

The previous prime is 47291417. The next prime is 47291459. The reversal of 47291455 is 55419274.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-47291455 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 (47291459) 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, 4729141 + ... + 4729150.

It is an arithmetic number, because the mean of its divisors is an integer number (14187438).

Almost surely, 2^47291455 is an apocalyptic number.

47291455 is a deficient number, since it is larger than the sum of its proper divisors (9458297).

47291455 is an equidigital number, since it uses as much as digits as its factorization.

47291455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458296.

The product of its digits is 50400, while the sum is 37.

The square root of 47291455 is about 6876.8782888750. The cubic root of 47291455 is about 361.6270361789.

The spelling of 47291455 in words is "forty-seven million, two hundred ninety-one thousand, four hundred fifty-five".