56719388 has 12 divisors (see below), whose sum is σ = 108282552. Its totient is φ = 25781520.

The previous prime is 56719387. The next prime is 56719391. The reversal of 56719388 is 88391765.

It is a happy number.

It is a super-3 number, since 3×56719388³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56719387) 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, 644495 + ... + 644582.

It is an arithmetic number, because the mean of its divisors is an integer number (9023546).

Almost surely, 2^56719388 is an apocalyptic number.

It is an amenable number.

56719388 is a deficient number, since it is larger than the sum of its proper divisors (51563164).

56719388 is a wasteful number, since it uses less digits than its factorization.

56719388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289092 (or 1289090 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 56719388 is about 7531.2275227880. The cubic root of 56719388 is about 384.2175326347.

The spelling of 56719388 in words is "fifty-six million, seven hundred nineteen thousand, three hundred eighty-eight".