56469240 has 96 divisors (see below), whose sum is σ = 194341680. Its totient is φ = 14171136.

The previous prime is 56469239. The next prime is 56469241. The reversal of 56469240 is 4296465.

56469240 is a `hidden beast` number, since 5 + 646 + 9 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56469239) and next prime (56469241).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56469195 and 56469204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56469241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1507 + ... + 10733.

Almost surely, 2^56469240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56469240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97170840).

56469240 is an abundant number, since it is smaller than the sum of its proper divisors (137872440).

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

56469240 is a wasteful number, since it uses less digits than its factorization.

56469240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261 (or 9254 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 56469240 is about 7514.6017858567. The cubic root of 56469240 is about 383.6518654661.

The spelling of 56469240 in words is "fifty-six million, four hundred sixty-nine thousand, two hundred forty".