55684750 has 32 divisors (see below), whose sum is σ = 113724000. Its totient is φ = 20248000.

The previous prime is 55684747. The next prime is 55684751. The reversal of 55684750 is 5748655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55684751) 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, 7375 + ... + 12874.

It is an arithmetic number, because the mean of its divisors is an integer number (3553875).

Almost surely, 2^55684750 is an apocalyptic number.

55684750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55684750 is an abundant number, since it is smaller than the sum of its proper divisors (58039250).

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

55684750 is a wasteful number, since it uses less digits than its factorization.

55684750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277 (or 20267 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 55684750 is about 7462.2215190920. The cubic root of 55684750 is about 381.8669666415.

The spelling of 55684750 in words is "fifty-five million, six hundred eighty-four thousand, seven hundred fifty".