52779953 has 4 divisors (see below), whose sum is σ = 52822128. Its totient is φ = 52737780.

The previous prime is 52779941. The next prime is 52779973. The reversal of 52779953 is 35997725.

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 52779953 - 2⁸ = 52779697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52779898 and 52779907.

It is not an unprimeable number, because it can be changed into a prime (52779973) 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, 19151 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (13205532).

Almost surely, 2^52779953 is an apocalyptic number.

It is an amenable number.

52779953 is a deficient number, since it is larger than the sum of its proper divisors (42175).

52779953 is a wasteful number, since it uses less digits than its factorization.

52779953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42174.

The product of its digits is 595350, while the sum is 47.

The square root of 52779953 is about 7264.9812800860. The cubic root of 52779953 is about 375.1080056305.

The spelling of 52779953 in words is "fifty-two million, seven hundred seventy-nine thousand, nine hundred fifty-three".