55670016 has 72 divisors (see below), whose sum is σ = 149375520. Its totient is φ = 18405376.

The previous prime is 55670011. The next prime is 55670023. The reversal of 55670016 is 61007655.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670011) 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, 132655 + ... + 133073.

It is an arithmetic number, because the mean of its divisors is an integer number (2074660).

Almost surely, 2^55670016 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 55670016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74687760).

55670016 is an abundant number, since it is smaller than the sum of its proper divisors (93705504).

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

55670016 is a wasteful number, since it uses less digits than its factorization.

55670016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 55670016 is about 7461.2342142570. The cubic root of 55670016 is about 381.8332834266.

The spelling of 55670016 in words is "fifty-five million, six hundred seventy thousand, sixteen".