55738730 has 16 divisors (see below), whose sum is σ = 100438920. Its totient is φ = 22271232.

The previous prime is 55738717. The next prime is 55738751. The reversal of 55738730 is 3783755.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30327049 + 25411681 = 5507^2 + 5041^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8822 + ... + 13758.

Almost surely, 2^55738730 is an apocalyptic number.

55738730 is a deficient number, since it is larger than the sum of its proper divisors (44700190).

55738730 is a wasteful number, since it uses less digits than its factorization.

55738730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 55738730 is about 7465.8375283688. The cubic root of 55738730 is about 381.9903189162.

The spelling of 55738730 in words is "fifty-five million, seven hundred thirty-eight thousand, seven hundred thirty".