55620748 has 6 divisors (see below), whose sum is σ = 97336316. Its totient is φ = 27810372.

The previous prime is 55620743. The next prime is 55620749. The reversal of 55620748 is 84702655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55620743) 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 as a sum of consecutive naturals, namely, 6952590 + ... + 6952597.

Almost surely, 2^55620748 is an apocalyptic number.

It is an amenable number.

55620748 is a deficient number, since it is larger than the sum of its proper divisors (41715568).

55620748 is a wasteful number, since it uses less digits than its factorization.

55620748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905191 (or 13905189 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55620748 is about 7457.9318849129. The cubic root of 55620748 is about 381.7206092806.

The spelling of 55620748 in words is "fifty-five million, six hundred twenty thousand, seven hundred forty-eight".