55437696 has 80 divisors (see below), whose sum is σ = 165012540. Its totient is φ = 18475776.

The previous prime is 55437667. The next prime is 55437709. The reversal of 55437696 is 69673455.

55437696 is a `hidden beast` number, since 554 + 3 + 7 + 6 + 96 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7695 + ... + 13041.

Almost surely, 2^55437696 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 55437696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82506270).

55437696 is an abundant number, since it is smaller than the sum of its proper divisors (109574844).

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

55437696 is an equidigital number, since it uses as much as digits as its factorization.

55437696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5352 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 55437696 is about 7445.6494679779. The cubic root of 55437696 is about 381.3013921225.

The spelling of 55437696 in words is "fifty-five million, four hundred thirty-seven thousand, six hundred ninety-six".