52779401 has 4 divisors (see below), whose sum is σ = 52800000. Its totient is φ = 52758804.

The previous prime is 52779383. The next prime is 52779413. The reversal of 52779401 is 10497725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52779401 - 2¹⁰ = 52778377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52779421) 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, 5801 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (13200000).

Almost surely, 2^52779401 is an apocalyptic number.

It is an amenable number.

52779401 is a deficient number, since it is larger than the sum of its proper divisors (20599).

52779401 is a wasteful number, since it uses less digits than its factorization.

52779401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20598.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 52779401 is about 7264.9432895240. The cubic root of 52779401 is about 375.1066979349.

The spelling of 52779401 in words is "fifty-two million, seven hundred seventy-nine thousand, four hundred one".