47785953 has 4 divisors (see below), whose sum is σ = 63714608. Its totient is φ = 31857300.

The previous prime is 47785919. The next prime is 47785961. The reversal of 47785953 is 35958774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47785953 - 2⁶ = 47785889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47785993) 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, 7964323 + ... + 7964328.

It is an arithmetic number, because the mean of its divisors is an integer number (15928652).

Almost surely, 2^47785953 is an apocalyptic number.

It is an amenable number.

47785953 is a deficient number, since it is larger than the sum of its proper divisors (15928655).

47785953 is a wasteful number, since it uses less digits than its factorization.

47785953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15928654.

The product of its digits is 1058400, while the sum is 48.

The square root of 47785953 is about 6912.7384588164. The cubic root of 47785953 is about 362.8831063486.

It can be divided in two parts, 4778 and 5953, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 47785953 in words is "forty-seven million, seven hundred eighty-five thousand, nine hundred fifty-three".