53778852 has 36 divisors (see below), whose sum is σ = 136239376. Its totient is φ = 17886960.

The previous prime is 53778821. The next prime is 53778863. The reversal of 53778852 is 25887735.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 53778798 and 53778807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18327 + ... + 21057.

Almost surely, 2^53778852 is an apocalyptic number.

It is an amenable number.

53778852 is an abundant number, since it is smaller than the sum of its proper divisors (82460524).

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

53778852 is a wasteful number, since it uses less digits than its factorization.

53778852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3283 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 53778852 is about 7333.4065753918. The cubic root of 53778852 is about 377.4596293246.

The spelling of 53778852 in words is "fifty-three million, seven hundred seventy-eight thousand, eight hundred fifty-two".