52779446 has 8 divisors (see below), whose sum is σ = 79985640. Its totient is φ = 26117568.

The previous prime is 52779439. The next prime is 52779479. The reversal of 52779446 is 64497725.

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

It is a junction number, because it is equal to n+sod(n) for n = 52779397 and 52779406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135836 + ... + 136223.

It is an arithmetic number, because the mean of its divisors is an integer number (9998205).

Almost surely, 2^52779446 is an apocalyptic number.

52779446 is a deficient number, since it is larger than the sum of its proper divisors (27206194).

52779446 is a wasteful number, since it uses less digits than its factorization.

52779446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272158.

The product of its digits is 423360, while the sum is 44.

The square root of 52779446 is about 7264.9463865881. The cubic root of 52779446 is about 375.1068045408.

The spelling of 52779446 in words is "fifty-two million, seven hundred seventy-nine thousand, four hundred forty-six".