56552401 has 4 divisors (see below), whose sum is σ = 58376704. Its totient is φ = 54728100.

The previous prime is 56552399. The next prime is 56552437. The reversal of 56552401 is 10425565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56552401 - 2¹ = 56552399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56552401.

It is not an unprimeable number, because it can be changed into a prime (56552471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912105 + ... + 912166.

It is an arithmetic number, because the mean of its divisors is an integer number (14594176).

Almost surely, 2^56552401 is an apocalyptic number.

It is an amenable number.

56552401 is a deficient number, since it is larger than the sum of its proper divisors (1824303).

56552401 is a wasteful number, since it uses less digits than its factorization.

56552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824302.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 56552401 is about 7520.1330440359. The cubic root of 56552401 is about 383.8401049614.

Adding to 56552401 its reverse (10425565), we get a palindrome (66977966).

It can be divided in two parts, 56552 and 401, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 56552401 in words is "fifty-six million, five hundred fifty-two thousand, four hundred one".