55763520 has 112 divisors (see below), whose sum is σ = 183245760. Its totient is φ = 14350336.

The previous prime is 55763507. The next prime is 55763527. The reversal of 55763520 is 2536755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55763527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26839 + ... + 28841.

Almost surely, 2^55763520 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 55763520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91622880).

55763520 is an abundant number, since it is smaller than the sum of its proper divisors (127482240).

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

55763520 is a wasteful number, since it uses less digits than its factorization.

55763520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 55763520 is about 7467.4975728151. The cubic root of 55763520 is about 382.0469410440.

The spelling of 55763520 in words is "fifty-five million, seven hundred sixty-three thousand, five hundred twenty".