56263515 has 48 divisors (see below), whose sum is σ = 114255360. Its totient is φ = 23378880.

The previous prime is 56263507. The next prime is 56263517. The reversal of 56263515 is 51536265.

It is not a de Polignac number, because 56263515 - 2³ = 56263507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (56263517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4606 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (2380320).

Almost surely, 2^56263515 is an apocalyptic number.

56263515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56263515 is an abundant number, since it is smaller than the sum of its proper divisors (57991845).

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

56263515 is a wasteful number, since it uses less digits than its factorization.

56263515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6985 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 56263515 is about 7500.9009458864. The cubic root of 56263515 is about 383.1854001750.

The spelling of 56263515 in words is "fifty-six million, two hundred sixty-three thousand, five hundred fifteen".