55677516 has 48 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 17092864.

The previous prime is 55677509. The next prime is 55677521. The reversal of 55677516 is 61577655.

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 15 ways as a sum of consecutive naturals, for example, 6685 + ... + 12491.

It is an arithmetic number, because the mean of its divisors is an integer number (2927232).

Almost surely, 2^55677516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55677516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70253568).

55677516 is an abundant number, since it is smaller than the sum of its proper divisors (84829620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55677516 is a wasteful number, since it uses less digits than its factorization.

55677516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5876 counting only the distinct ones).

The product of its digits is 220500, while the sum is 42.

The square root of 55677516 is about 7461.7367951436. The cubic root of 55677516 is about 381.8504298263.

The spelling of 55677516 in words is "fifty-five million, six hundred seventy-seven thousand, five hundred sixteen".