52778654 has 8 divisors (see below), whose sum is σ = 79202880. Its totient is φ = 26377696.

The previous prime is 52778653. The next prime is 52778657. The reversal of 52778654 is 45687725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52778653) 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, 1907 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (9900360).

Almost surely, 2^52778654 is an apocalyptic number.

52778654 is a deficient number, since it is larger than the sum of its proper divisors (26424226).

52778654 is a wasteful number, since it uses less digits than its factorization.

52778654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634.

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

The square root of 52778654 is about 7264.8918780667. The cubic root of 52778654 is about 375.1049282670.

It can be divided in two parts, 5277 and 8654, that added together give a palindrome (13931).

The spelling of 52778654 in words is "fifty-two million, seven hundred seventy-eight thousand, six hundred fifty-four".