56378503 has 4 divisors (see below), whose sum is σ = 56936808. Its totient is φ = 55820200.

The previous prime is 56378501. The next prime is 56378513. The reversal of 56378503 is 30587365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56378503 - 2¹ = 56378501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56378501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279001 + ... + 279202.

It is an arithmetic number, because the mean of its divisors is an integer number (14234202).

Almost surely, 2^56378503 is an apocalyptic number.

56378503 is a deficient number, since it is larger than the sum of its proper divisors (558305).

56378503 is a wasteful number, since it uses less digits than its factorization.

56378503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558304.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 56378503 is about 7508.5619795005. The cubic root of 56378503 is about 383.4462663267.

The spelling of 56378503 in words is "fifty-six million, three hundred seventy-eight thousand, five hundred three".