47953645 has 8 divisors (see below), whose sum is σ = 58191480. Its totient is φ = 37931520.

The previous prime is 47953639. The next prime is 47953657. The reversal of 47953645 is 54635974.

It can be written as a sum of positive squares in 4 ways, for example, as 426409 + 47527236 = 653^2 + 6894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47953645 - 2³ = 47953637 is a prime.

It is a super-3 number, since 3×47953645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53436 + ... + 54325.

It is an arithmetic number, because the mean of its divisors is an integer number (7273935).

Almost surely, 2^47953645 is an apocalyptic number.

It is an amenable number.

47953645 is a deficient number, since it is larger than the sum of its proper divisors (10237835).

47953645 is a wasteful number, since it uses less digits than its factorization.

47953645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107855.

The product of its digits is 453600, while the sum is 43.

The square root of 47953645 is about 6924.8570382355. The cubic root of 47953645 is about 363.3070911290.

The spelling of 47953645 in words is "forty-seven million, nine hundred fifty-three thousand, six hundred forty-five".