47454537 has 16 divisors (see below), whose sum is σ = 69592320. Its totient is φ = 28580352.

The previous prime is 47454487. The next prime is 47454541. The reversal of 47454537 is 73545474.

It is not a de Polignac number, because 47454537 - 2¹⁵ = 47421769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 47454495 and 47454504.

It is not an unprimeable number, because it can be changed into a prime (47454637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11112 + ... + 14777.

It is an arithmetic number, because the mean of its divisors is an integer number (4349520).

Almost surely, 2^47454537 is an apocalyptic number.

47454537 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47454537 is a deficient number, since it is larger than the sum of its proper divisors (22137783).

47454537 is a wasteful number, since it uses less digits than its factorization.

47454537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25952.

The product of its digits is 235200, while the sum is 39.

The square root of 47454537 is about 6888.7253537937. The cubic root of 47454537 is about 362.0422429667.

The spelling of 47454537 in words is "forty-seven million, four hundred fifty-four thousand, five hundred thirty-seven".