47549425 has 48 divisors (see below), whose sum is σ = 77887872. Its totient is φ = 27878400.

The previous prime is 47549423. The next prime is 47549449. The reversal of 47549425 is 52494574.

It is not a de Polignac number, because 47549425 - 2¹ = 47549423 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47549423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31999 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (1622664).

Almost surely, 2^47549425 is an apocalyptic number.

It is an amenable number.

47549425 is a deficient number, since it is larger than the sum of its proper divisors (30338447).

47549425 is a wasteful number, since it uses less digits than its factorization.

47549425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1493 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 47549425 is about 6895.6091101512. The cubic root of 47549425 is about 362.2833902113.

It can be divided in two parts, 47549 and 425, that added together give a palindrome (47974).

The spelling of 47549425 in words is "forty-seven million, five hundred forty-nine thousand, four hundred twenty-five".