56670000 has 100 divisors (see below), whose sum is σ = 183035160. Its totient is φ = 15104000.

The previous prime is 56669981. The next prime is 56670013. The reversal of 56670000 is 7665.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×56670000² = 6422977800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29056 + ... + 30944.

Almost surely, 2^56670000 is an apocalyptic number.

56670000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91517580).

56670000 is an abundant number, since it is smaller than the sum of its proper divisors (126365160).

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

56670000 is a wasteful number, since it uses less digits than its factorization.

56670000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 56670000 is about 7527.9479275564. The cubic root of 56670000 is about 384.1059820315.

Adding to 56670000 its reverse (7665), we get a palindrome (56677665).

The spelling of 56670000 in words is "fifty-six million, six hundred seventy thousand".