55309762 has 8 divisors (see below), whose sum is σ = 83897100. Its totient is φ = 27344064.

The previous prime is 55309729. The next prime is 55309763. The reversal of 55309762 is 26790355.

It can be written as a sum of positive squares in 2 ways, for example, as 54331641 + 978121 = 7371^2 + 989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55309763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155187 + ... + 155542.

Almost surely, 2^55309762 is an apocalyptic number.

55309762 is a deficient number, since it is larger than the sum of its proper divisors (28587338).

55309762 is a wasteful number, since it uses less digits than its factorization.

55309762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310820.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 55309762 is about 7437.0533143174. The cubic root of 55309762 is about 381.0078554834.

The spelling of 55309762 in words is "fifty-five million, three hundred nine thousand, seven hundred sixty-two".