56675649 has 16 divisors (see below), whose sum is σ = 77118080. Its totient is φ = 37013760.

The previous prime is 56675609. The next prime is 56675659. The reversal of 56675649 is 94657665.

56675649 = T₂₄ + T₂₅ + ... + T₆₉₇.

It is not a de Polignac number, because 56675649 - 2¹⁵ = 56642881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56675598 and 56675607.

It is not an unprimeable number, because it can be changed into a prime (56675609) 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, 61212 + ... + 62130.

It is an arithmetic number, because the mean of its divisors is an integer number (4819880).

Almost surely, 2^56675649 is an apocalyptic number.

It is an amenable number.

56675649 is a deficient number, since it is larger than the sum of its proper divisors (20442431).

56675649 is a wasteful number, since it uses less digits than its factorization.

56675649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its digits is 1360800, while the sum is 48.

The square root of 56675649 is about 7528.3231200580. The cubic root of 56675649 is about 384.1187444726.

The spelling of 56675649 in words is "fifty-six million, six hundred seventy-five thousand, six hundred forty-nine".