56634545 has 16 divisors (see below), whose sum is σ = 74530368. Its totient is φ = 40971840.

The previous prime is 56634541. The next prime is 56634559. The reversal of 56634545 is 54543665.

It is a happy number.

It is not a de Polignac number, because 56634545 - 2² = 56634541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56634499 and 56634508.

It is not an unprimeable number, because it can be changed into a prime (56634541) 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, 8222 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (4658148).

Almost surely, 2^56634545 is an apocalyptic number.

56634545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56634545 is a deficient number, since it is larger than the sum of its proper divisors (17895823).

56634545 is a wasteful number, since it uses less digits than its factorization.

56634545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its digits is 216000, while the sum is 38.

The square root of 56634545 is about 7525.5926676907. The cubic root of 56634545 is about 384.0258613406.

The spelling of 56634545 in words is "fifty-six million, six hundred thirty-four thousand, five hundred forty-five".