56421035 has 32 divisors (see below), whose sum is σ = 76495104. Its totient is φ = 39600000.

The previous prime is 56421019. The next prime is 56421083. The reversal of 56421035 is 53012465.

It is not a de Polignac number, because 56421035 - 2⁴ = 56421019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56420995 and 56421013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224660 + ... + 224910.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^56421035 is an apocalyptic number.

56421035 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56421035 is a deficient number, since it is larger than the sum of its proper divisors (20074069).

56421035 is a wasteful number, since it uses less digits than its factorization.

56421035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56421035 is about 7511.3936789387. The cubic root of 56421035 is about 383.5426661738.

The spelling of 56421035 in words is "fifty-six million, four hundred twenty-one thousand, thirty-five".