55641080 has 32 divisors (see below), whose sum is σ = 136574640. Its totient is φ = 20232960.

The previous prime is 55641073. The next prime is 55641083. The reversal of 55641080 is 8014655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641083) 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, 62789 + ... + 63668.

Almost surely, 2^55641080 is an apocalyptic number.

It is an amenable number.

55641080 is an abundant number, since it is smaller than the sum of its proper divisors (80933560).

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

55641080 is a wasteful number, since it uses less digits than its factorization.

55641080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126479 (or 126475 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 55641080 is about 7459.2948728415. The cubic root of 55641080 is about 381.7671158944.

The spelling of 55641080 in words is "fifty-five million, six hundred forty-one thousand, eighty".