56253750 has 80 divisors (see below), whose sum is σ = 160748544. Its totient is φ = 12852000.

The previous prime is 56253749. The next prime is 56253751. The reversal of 56253750 is 5735265.

It is an interprime number because it is at equal distance from previous prime (56253749) and next prime (56253751).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56253751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25179 + ... + 27321.

Almost surely, 2^56253750 is an apocalyptic number.

56253750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56253750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80374272).

56253750 is an abundant number, since it is smaller than the sum of its proper divisors (104494794).

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

56253750 is a wasteful number, since it uses less digits than its factorization.

56253750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2160 counting only the distinct ones).

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

The square root of 56253750 is about 7500.2499958335. The cubic root of 56253750 is about 383.1632305568.

The spelling of 56253750 in words is "fifty-six million, two hundred fifty-three thousand, seven hundred fifty".