56951869 has 8 divisors (see below), whose sum is σ = 62197632. Its totient is φ = 51829680.

The previous prime is 56951863. The next prime is 56951879. The reversal of 56951869 is 96815965.

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

It is a cyclic number.

It is not a de Polignac number, because 56951869 - 2⁵ = 56951837 is a prime.

It is a super-2 number, since 2×56951869² = 6487030765186322, 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 (56951863) 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, 29929 + ... + 31774.

It is an arithmetic number, because the mean of its divisors is an integer number (7774704).

Almost surely, 2^56951869 is an apocalyptic number.

It is an amenable number.

56951869 is a deficient number, since it is larger than the sum of its proper divisors (5245763).

56951869 is a wasteful number, since it uses less digits than its factorization.

56951869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61787.

The product of its digits is 583200, while the sum is 49.

The square root of 56951869 is about 7546.6462087473. The cubic root of 56951869 is about 384.7417596953.

The spelling of 56951869 in words is "fifty-six million, nine hundred fifty-one thousand, eight hundred sixty-nine".