56697300 has 288 divisors, whose sum is σ = 209986560. Its totient is φ = 12988800.

The previous prime is 56697287. The next prime is 56697307. The reversal of 56697300 is 379665.

It is a happy number.

56697300 is a `hidden beast` number, since 566 + 97 + 3 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56697307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 683059 + ... + 683141.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^56697300 is an apocalyptic number.

56697300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56697300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104993280).

56697300 is an abundant number, since it is smaller than the sum of its proper divisors (153289260).

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

56697300 is a wasteful number, since it uses less digits than its factorization.

56697300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 56697300 is about 7529.7609523809. The cubic root of 56697300 is about 384.1676514034.

The spelling of 56697300 in words is "fifty-six million, six hundred ninety-seven thousand, three hundred".