55671456 has 48 divisors (see below), whose sum is σ = 148629600. Its totient is φ = 18240768.

The previous prime is 55671449. The next prime is 55671461. The reversal of 55671456 is 65417655.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×55671456² = 6198622026319872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (3096450).

Almost surely, 2^55671456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55671456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74314800).

55671456 is an abundant number, since it is smaller than the sum of its proper divisors (92958144).

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

55671456 is a wasteful number, since it uses less digits than its factorization.

55671456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901 (or 9893 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 55671456 is about 7461.3307124132. The cubic root of 55671456 is about 381.8365756548.

The spelling of 55671456 in words is "fifty-five million, six hundred seventy-one thousand, four hundred fifty-six".