47551199 has 2 divisors, whose sum is σ = 47551200. Its totient is φ = 47551198.

The previous prime is 47551139. The next prime is 47551211. The reversal of 47551199 is 99115574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47551199 - 2¹⁶ = 47485663 is a prime.

It is a super-2 number, since 2×47551199² = 4522233052675202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47551139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23775599 + 23775600.

It is an arithmetic number, because the mean of its divisors is an integer number (23775600).

Almost surely, 2^47551199 is an apocalyptic number.

47551199 is a deficient number, since it is larger than the sum of its proper divisors (1).

47551199 is an equidigital number, since it uses as much as digits as its factorization.

47551199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 41.

The square root of 47551199 is about 6895.7377415328. The cubic root of 47551199 is about 362.2878955777.

It can be divided in two parts, 47551 and 199, that multiplied together give a palindrome (9462649).

The spelling of 47551199 in words is "forty-seven million, five hundred fifty-one thousand, one hundred ninety-nine".