52654778 has 16 divisors (see below), whose sum is σ = 89134560. Its totient is φ = 23108400.

The previous prime is 52654769. The next prime is 52654781. The reversal of 52654778 is 87745625.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40628 + ... + 41903.

It is an arithmetic number, because the mean of its divisors is an integer number (5570910).

Almost surely, 2^52654778 is an apocalyptic number.

52654778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

52654778 is a deficient number, since it is larger than the sum of its proper divisors (36479782).

52654778 is a wasteful number, since it uses less digits than its factorization.

52654778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82573.

The product of its digits is 470400, while the sum is 44.

The square root of 52654778 is about 7256.3612093115. The cubic root of 52654778 is about 374.8112306219.

It can be divided in two parts, 526547 and 78, that added together give a palindrome (526625).

The spelling of 52654778 in words is "fifty-two million, six hundred fifty-four thousand, seven hundred seventy-eight".