55619744 has 12 divisors (see below), whose sum is σ = 109501434. Its totient is φ = 27809856.

The previous prime is 55619743. The next prime is 55619747. The reversal of 55619744 is 44791655.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 6451600 = 7012^2 + 2540^2 .

It is not an unprimeable number, because it can be changed into a prime (55619741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869027 + ... + 869090.

Almost surely, 2^55619744 is an apocalyptic number.

It is an amenable number.

55619744 is a deficient number, since it is larger than the sum of its proper divisors (53881690).

55619744 is a wasteful number, since it uses less digits than its factorization.

55619744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738127 (or 1738119 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 55619744 is about 7457.8645737235. The cubic root of 55619744 is about 381.7183124770.

The spelling of 55619744 in words is "fifty-five million, six hundred nineteen thousand, seven hundred forty-four".