56481436 has 48 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 24752000.

The previous prime is 56481427. The next prime is 56481437. The reversal of 56481436 is 63418465.

It is a happy number.

It is a super-2 number, since 2×56481436² = 6380305225244192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56481395 and 56481404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56481437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236205 + ... + 236443.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^56481436 is an apocalyptic number.

It is an amenable number.

56481436 is a deficient number, since it is larger than the sum of its proper divisors (55285604).

56481436 is a wasteful number, since it uses less digits than its factorization.

56481436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 56481436 is about 7515.4132288251. The cubic root of 56481436 is about 383.6794833417.

The spelling of 56481436 in words is "fifty-six million, four hundred eighty-one thousand, four hundred thirty-six".