56279776 has 48 divisors (see below), whose sum is σ = 129596544. Its totient is φ = 23554944.

The previous prime is 56279761. The next prime is 56279777. The reversal of 56279776 is 67797265.

It is a happy number.

It is a super-2 number, since 2×56279776² = 6334826373220352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56279777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6711 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (2699928).

Almost surely, 2^56279776 is an apocalyptic number.

56279776 is a gapful number since it is divisible by the number (56) 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 56279776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64798272).

56279776 is an abundant number, since it is smaller than the sum of its proper divisors (73316768).

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

56279776 is a wasteful number, since it uses less digits than its factorization.

56279776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5895 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 49.

The square root of 56279776 is about 7501.9848040369. The cubic root of 56279776 is about 383.2223120624. Note that the first 3 decimals are identical.

The spelling of 56279776 in words is "fifty-six million, two hundred seventy-nine thousand, seven hundred seventy-six".