55507683 has 32 divisors (see below), whose sum is σ = 97136640. Its totient is φ = 27315360.

The previous prime is 55507679. The next prime is 55507693. The reversal of 55507683 is 38670555.

It is not a de Polignac number, because 55507683 - 2² = 55507679 is a prime.

It is a super-2 number, since 2×55507683² = 6162205744056978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55507603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1935 + ... + 10712.

It is an arithmetic number, because the mean of its divisors is an integer number (3035520).

Almost surely, 2^55507683 is an apocalyptic number.

55507683 is a deficient number, since it is larger than the sum of its proper divisors (41628957).

55507683 is a wasteful number, since it uses less digits than its factorization.

55507683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 55507683 is about 7450.3478442285. The cubic root of 55507683 is about 381.4617818958.

The spelling of 55507683 in words is "fifty-five million, five hundred seven thousand, six hundred eighty-three".