47499453 has 32 divisors (see below), whose sum is σ = 73288320. Its totient is φ = 30757968.

The previous prime is 47499451. The next prime is 47499457. The reversal of 47499453 is 35499474.

It is a happy number.

It is not a de Polignac number, because 47499453 - 2¹ = 47499451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47499399 and 47499408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47499451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80626 + ... + 81212.

It is an arithmetic number, because the mean of its divisors is an integer number (2290260).

Almost surely, 2^47499453 is an apocalyptic number.

It is an amenable number.

47499453 is a deficient number, since it is larger than the sum of its proper divisors (25788867).

47499453 is an frugal number, since it uses more digits than its factorization.

47499453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 627 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 47499453 is about 6891.9846923800. The cubic root of 47499453 is about 362.1564319890.

It can be divided in two parts, 47 and 499453, that added together give a triangular number (499500 = T₉₉₉).

The spelling of 47499453 in words is "forty-seven million, four hundred ninety-nine thousand, four hundred fifty-three".