55353916 has 24 divisors (see below), whose sum is σ = 106404480. Its totient is φ = 25079472.

The previous prime is 55353913. The next prime is 55353917. The reversal of 55353916 is 61935355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55353911) 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, 14086 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (4433520).

Almost surely, 2^55353916 is an apocalyptic number.

It is an amenable number.

55353916 is a deficient number, since it is larger than the sum of its proper divisors (51050564).

55353916 is a wasteful number, since it uses less digits than its factorization.

55353916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31713 (or 31711 counting only the distinct ones).

The product of its digits is 60750, while the sum is 37.

The square root of 55353916 is about 7440.0212365288. The cubic root of 55353916 is about 381.1092152048.

The spelling of 55353916 in words is "fifty-five million, three hundred fifty-three thousand, nine hundred sixteen".