56237773 has 4 divisors (see below), whose sum is σ = 57609468. Its totient is φ = 54866080.

The previous prime is 56237767. The next prime is 56237821. The reversal of 56237773 is 37773265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37773265 = 5 ⋅7554653.

It can be written as a sum of positive squares in 2 ways, for example, as 6985449 + 49252324 = 2643^2 + 7018^2 .

It is a cyclic number.

It is not a de Polignac number, because 56237773 - 2¹³ = 56229581 is a prime.

It is a super-2 number, since 2×56237773² = 6325374223999058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56537773) 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, 685786 + ... + 685867.

It is an arithmetic number, because the mean of its divisors is an integer number (14402367).

Almost surely, 2^56237773 is an apocalyptic number.

It is an amenable number.

56237773 is a deficient number, since it is larger than the sum of its proper divisors (1371695).

56237773 is a wasteful number, since it uses less digits than its factorization.

56237773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371694.

The product of its digits is 185220, while the sum is 40.

The square root of 56237773 is about 7499.1848223657. The cubic root of 56237773 is about 383.1269522134.

The spelling of 56237773 in words is "fifty-six million, two hundred thirty-seven thousand, seven hundred seventy-three".