52779792 has 80 divisors (see below), whose sum is σ = 150490368. Its totient is φ = 15836160.

The previous prime is 52779787. The next prime is 52779799. The reversal of 52779792 is 29797725.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (52779799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24553 + ... + 26615.

Almost surely, 2^52779792 is an apocalyptic number.

52779792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52779792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75245184).

52779792 is an abundant number, since it is smaller than the sum of its proper divisors (97710576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52779792 is a wasteful number, since it uses less digits than its factorization.

52779792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 2122 counting only the distinct ones).

The product of its digits is 555660, while the sum is 48.

The square root of 52779792 is about 7264.9701995259. The cubic root of 52779792 is about 375.1076242202.

The spelling of 52779792 in words is "fifty-two million, seven hundred seventy-nine thousand, seven hundred ninety-two".