52778583 has 48 divisors (see below), whose sum is σ = 93510144. Its totient is φ = 28226880.

The previous prime is 52778569. The next prime is 52778597. The reversal of 52778583 is 38587725.

52778583 is a `hidden beast` number, since 527 + 78 + 58 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (52778569) and next prime (52778597).

It is not a de Polignac number, because 52778583 - 2⁴ = 52778567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52778543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28710 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (1948128).

Almost surely, 2^52778583 is an apocalyptic number.

52778583 is a deficient number, since it is larger than the sum of its proper divisors (40731561).

52778583 is a wasteful number, since it uses less digits than its factorization.

52778583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

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

The square root of 52778583 is about 7264.8869915505. The cubic root of 52778583 is about 375.1047600648.

It can be divided in two parts, 52778 and 583, that added together give a square (53361 = 231²).

The spelling of 52778583 in words is "fifty-two million, seven hundred seventy-eight thousand, five hundred eighty-three".