47453540 has 24 divisors (see below), whose sum is σ = 100161600. Its totient is φ = 18884448.

The previous prime is 47453533. The next prime is 47453543. The reversal of 47453540 is 4535474.

It is a junction number, because it is equal to n+sod(n) for n = 47453497 and 47453506.

It is not an unprimeable number, because it can be changed into a prime (47453543) 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 7 ways as a sum of consecutive naturals, for example, 1982 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (4173400).

Almost surely, 2^47453540 is an apocalyptic number.

It is an amenable number.

47453540 is an abundant number, since it is smaller than the sum of its proper divisors (52708060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47453540 is a wasteful number, since it uses less digits than its factorization.

47453540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131 (or 12129 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 47453540 is about 6888.6529887925. The cubic root of 47453540 is about 362.0397074969.

The spelling of 47453540 in words is "forty-seven million, four hundred fifty-three thousand, five hundred forty".