56151330 has 16 divisors (see below), whose sum is σ = 134763264. Its totient is φ = 14973680.

The previous prime is 56151317. The next prime is 56151331. The reversal of 56151330 is 3315165.

It is a self number, because there is not a number n which added to its sum of digits gives 56151330.

It is not an unprimeable number, because it can be changed into a prime (56151331) 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, 935826 + ... + 935885.

It is an arithmetic number, because the mean of its divisors is an integer number (8422704).

Almost surely, 2^56151330 is an apocalyptic number.

56151330 is an abundant number, since it is smaller than the sum of its proper divisors (78611934).

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

56151330 is a wasteful number, since it uses less digits than its factorization.

56151330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871721.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 56151330 is about 7493.4191127949. The cubic root of 56151330 is about 382.9305502535.

Adding to 56151330 its reverse (3315165), we get a palindrome (59466495).

The spelling of 56151330 in words is "fifty-six million, one hundred fifty-one thousand, three hundred thirty".