55745548 has 6 divisors (see below), whose sum is σ = 97554716. Its totient is φ = 27872772.

The previous prime is 55745531. The next prime is 55745551. The reversal of 55745548 is 84554755.

It is a super-2 number, since 2×55745548² = 6215132243640608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6968190 + ... + 6968197.

Almost surely, 2^55745548 is an apocalyptic number.

It is an amenable number.

55745548 is a deficient number, since it is larger than the sum of its proper divisors (41809168).

55745548 is a wasteful number, since it uses less digits than its factorization.

55745548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936391 (or 13936389 counting only the distinct ones).

The product of its digits is 560000, while the sum is 43.

The square root of 55745548 is about 7466.2941276111. The cubic root of 55745548 is about 382.0058933879.

The spelling of 55745548 in words is "fifty-five million, seven hundred forty-five thousand, five hundred forty-eight".