47778053 has 4 divisors (see below), whose sum is σ = 48121920. Its totient is φ = 47434188.

The previous prime is 47778047. The next prime is 47778089. The reversal of 47778053 is 35087774.

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 a cyclic number.

It is not a de Polignac number, because 47778053 - 2⁸ = 47777797 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 47778053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47778013) 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, 171725 + ... + 172002.

It is an arithmetic number, because the mean of its divisors is an integer number (12030480).

Almost surely, 2^47778053 is an apocalyptic number.

It is an amenable number.

47778053 is a deficient number, since it is larger than the sum of its proper divisors (343867).

47778053 is a wasteful number, since it uses less digits than its factorization.

47778053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343866.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 47778053 is about 6912.1670263384. The cubic root of 47778053 is about 362.8631079017.

The spelling of 47778053 in words is "forty-seven million, seven hundred seventy-eight thousand, fifty-three".