55743556 has 12 divisors (see below), whose sum is σ = 106419600. Its totient is φ = 25337960.

The previous prime is 55743553. The next prime is 55743563. The reversal of 55743556 is 65534755.

It is not an unprimeable number, because it can be changed into a prime (55743553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633406 + ... + 633493.

It is an arithmetic number, because the mean of its divisors is an integer number (8868300).

Almost surely, 2^55743556 is an apocalyptic number.

It is an amenable number.

55743556 is a deficient number, since it is larger than the sum of its proper divisors (50676044).

55743556 is a wasteful number, since it uses less digits than its factorization.

55743556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266914 (or 1266912 counting only the distinct ones).

The product of its digits is 315000, while the sum is 40.

The square root of 55743556 is about 7466.1607269064. The cubic root of 55743556 is about 382.0013431602.

The spelling of 55743556 in words is "fifty-five million, seven hundred forty-three thousand, five hundred fifty-six".