47940953 has 4 divisors (see below), whose sum is σ = 48104868. Its totient is φ = 47777040.

The previous prime is 47940923. The next prime is 47940967. The reversal of 47940953 is 35904974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23309584 + 24631369 = 4828^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 47940953 - 2²² = 43746649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47940953.

It is not an unprimeable number, because it can be changed into a prime (47940923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81518 + ... + 82103.

It is an arithmetic number, because the mean of its divisors is an integer number (12026217).

Almost surely, 2^47940953 is an apocalyptic number.

It is an amenable number.

47940953 is a deficient number, since it is larger than the sum of its proper divisors (163915).

47940953 is a wasteful number, since it uses less digits than its factorization.

47940953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163914.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 47940953 is about 6923.9405687802. The cubic root of 47940953 is about 363.2750358635.

The spelling of 47940953 in words is "forty-seven million, nine hundred forty thousand, nine hundred fifty-three".