56905419 has 8 divisors (see below), whose sum is σ = 76340032. Its totient is φ = 37703880.

The previous prime is 56905369. The next prime is 56905421. The reversal of 56905419 is 91450965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56905419 - 2⁷ = 56905291 is a prime.

It is a super-4 number, since 4×56905419⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56905439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57697 + ... + 58674.

It is an arithmetic number, because the mean of its divisors is an integer number (9542504).

Almost surely, 2^56905419 is an apocalyptic number.

56905419 is a deficient number, since it is larger than the sum of its proper divisors (19434613).

56905419 is a wasteful number, since it uses less digits than its factorization.

56905419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116537.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 56905419 is about 7543.5680549724. The cubic root of 56905419 is about 384.6371326605.

The spelling of 56905419 in words is "fifty-six million, nine hundred five thousand, four hundred nineteen".