55982517 has 24 divisors (see below), whose sum is σ = 78746976. Its totient is φ = 35356608.

The previous prime is 55982503. The next prime is 55982527. The reversal of 55982517 is 71528955.

It is not a de Polignac number, because 55982517 - 2¹² = 55978421 is a prime.

Its product of digits (126000) is a multiple of the sum of its prime divisors (400).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55982527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176443 + ... + 176759.

It is an arithmetic number, because the mean of its divisors is an integer number (3281124).

Almost surely, 2^55982517 is an apocalyptic number.

It is an amenable number.

55982517 is a deficient number, since it is larger than the sum of its proper divisors (22764459).

55982517 is a wasteful number, since it uses less digits than its factorization.

55982517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 400 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 55982517 is about 7482.1465502889. The cubic root of 55982517 is about 382.5464183916.

The spelling of 55982517 in words is "fifty-five million, nine hundred eighty-two thousand, five hundred seventeen".