52778476 has 12 divisors (see below), whose sum is σ = 93315208. Its totient is φ = 26116992.

The previous prime is 52778471. The next prime is 52778483. The reversal of 52778476 is 67487725.

It is not an unprimeable number, because it can be changed into a prime (52778471) 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, 67626 + ... + 68401.

Almost surely, 2^52778476 is an apocalyptic number.

It is an amenable number.

52778476 is a deficient number, since it is larger than the sum of its proper divisors (40536732).

52778476 is a wasteful number, since it uses less digits than its factorization.

52778476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136128 (or 136126 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 52778476 is about 7264.8796273579. The cubic root of 52778476 is about 375.1045065767.

It can be divided in two parts, 527 and 78476, that added together give a triangular number (79003 = T₃₉₇).

The spelling of 52778476 in words is "fifty-two million, seven hundred seventy-eight thousand, four hundred seventy-six".