55763680 has 48 divisors (see below), whose sum is σ = 150564960. Its totient is φ = 19118592.

The previous prime is 55763671. The next prime is 55763693. The reversal of 55763680 is 8636755.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 23775 + ... + 26014.

It is an arithmetic number, because the mean of its divisors is an integer number (3136770).

Almost surely, 2^55763680 is an apocalyptic number.

It is an amenable number.

55763680 is an abundant number, since it is smaller than the sum of its proper divisors (94801280).

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

55763680 is a wasteful number, since it uses less digits than its factorization.

55763680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49811 (or 49803 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55763680 is about 7467.5082859010. The cubic root of 55763680 is about 382.0473064409.

The spelling of 55763680 in words is "fifty-five million, seven hundred sixty-three thousand, six hundred eighty".