55505744 has 20 divisors (see below), whose sum is σ = 122905824. Its totient is φ = 23788128.

The previous prime is 55505719. The next prime is 55505753. The reversal of 55505744 is 44750555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247682 + ... + 247905.

Almost surely, 2^55505744 is an apocalyptic number.

It is an amenable number.

55505744 is an abundant number, since it is smaller than the sum of its proper divisors (67400080).

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

55505744 is a wasteful number, since it uses less digits than its factorization.

55505744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495602 (or 495596 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 55505744 is about 7450.2177149396. The cubic root of 55505744 is about 381.4573400902.

The spelling of 55505744 in words is "fifty-five million, five hundred five thousand, seven hundred forty-four".