56449394 has 4 divisors (see below), whose sum is σ = 84674094. Its totient is φ = 28224696.

The previous prime is 56449321. The next prime is 56449403. The reversal of 56449394 is 49394465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49394465 = 5 ⋅9878893.

It can be written as a sum of positive squares in only one way, i.e., 56445169 + 4225 = 7513^2 + 65^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14112347 + ... + 14112350.

Almost surely, 2^56449394 is an apocalyptic number.

56449394 is a deficient number, since it is larger than the sum of its proper divisors (28224700).

56449394 is a wasteful number, since it uses less digits than its factorization.

56449394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28224699.

The product of its digits is 466560, while the sum is 44.

The square root of 56449394 is about 7513.2811740278. The cubic root of 56449394 is about 383.6069156429.

The spelling of 56449394 in words is "fifty-six million, four hundred forty-nine thousand, three hundred ninety-four".