55573952 has 56 divisors (see below), whose sum is σ = 133465824. Its totient is φ = 22413312.

The previous prime is 55573927. The next prime is 55573961. The reversal of 55573952 is 25937555.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 3968 + ... + 11264.

Almost surely, 2^55573952 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 55573952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66732912).

55573952 is an abundant number, since it is smaller than the sum of its proper divisors (77891872).

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

55573952 is a wasteful number, since it uses less digits than its factorization.

55573952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333 (or 7323 counting only the distinct ones).

The product of its digits is 236250, while the sum is 41.

The square root of 55573952 is about 7454.7938938645. The cubic root of 55573952 is about 381.6135268804.

The spelling of 55573952 in words is "fifty-five million, five hundred seventy-three thousand, nine hundred fifty-two".