55551448 has 16 divisors (see below), whose sum is σ = 104349960. Its totient is φ = 27724800.

The previous prime is 55551437. The next prime is 55551449. The reversal of 55551448 is 84415555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551449) 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, 1513 + ... + 10648.

Almost surely, 2^55551448 is an apocalyptic number.

It is an amenable number.

55551448 is a deficient number, since it is larger than the sum of its proper divisors (48798512).

55551448 is a wasteful number, since it uses less digits than its factorization.

55551448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738 (or 12734 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The square root of 55551448 is about 7453.2843767027. The cubic root of 55551448 is about 381.5620099980.

It can be divided in two parts, 555 and 51448, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 55551448 in words is "fifty-five million, five hundred fifty-one thousand, four hundred forty-eight".