56019380 has 12 divisors (see below), whose sum is σ = 117640740. Its totient is φ = 22407744.

The previous prime is 56019377. The next prime is 56019401. The reversal of 56019380 is 8391065.

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 17405584 = 6214^2 + 4172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400465 + ... + 1400504.

It is an arithmetic number, because the mean of its divisors is an integer number (9803395).

Almost surely, 2^56019380 is an apocalyptic number.

It is an amenable number.

56019380 is an abundant number, since it is smaller than the sum of its proper divisors (61621360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56019380 is a wasteful number, since it uses less digits than its factorization.

56019380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800978 (or 2800976 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 56019380 is about 7484.6095422540. The cubic root of 56019380 is about 382.6303655194.

The spelling of 56019380 in words is "fifty-six million, nineteen thousand, three hundred eighty".