56287401 has 8 divisors (see below), whose sum is σ = 75793344. Its totient is φ = 37153200.

The previous prime is 56287381. The next prime is 56287403. The reversal of 56287401 is 10478265.

56287401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56287401 - 2⁹ = 56286889 is a prime.

It is a super-2 number, since 2×56287401² = 6336543022669602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56287403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92581 + ... + 93186.

It is an arithmetic number, because the mean of its divisors is an integer number (9474168).

Almost surely, 2^56287401 is an apocalyptic number.

It is an amenable number.

56287401 is a deficient number, since it is larger than the sum of its proper divisors (19505943).

56287401 is a wasteful number, since it uses less digits than its factorization.

56287401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185871.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56287401 is about 7502.4929856682. The cubic root of 56287401 is about 383.2396180907.

The spelling of 56287401 in words is "fifty-six million, two hundred eighty-seven thousand, four hundred one".