55783332508 has 24 divisors (see below), whose sum is σ = 99289209600. Its totient is φ = 27415118448.

The previous prime is 55783332503. The next prime is 55783332581. The reversal of 55783332508 is 80523338755.

It is a super-2 number, since 2×55783332508² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55783332503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506333 + ... + 2528491.

It is an arithmetic number, because the mean of its divisors is an integer number (4137050400).

Almost surely, 2^55783332508 is an apocalyptic number.

It is an amenable number.

55783332508 is a deficient number, since it is larger than the sum of its proper divisors (43505877092).

55783332508 is a wasteful number, since it uses less digits than its factorization.

55783332508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889 (or 32887 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 55783332508 in words is "fifty-five billion, seven hundred eighty-three million, three hundred thirty-two thousand, five hundred eight".