56435420 has 12 divisors (see below), whose sum is σ = 118514424. Its totient is φ = 22574160.

The previous prime is 56435419. The next prime is 56435429. The reversal of 56435420 is 2453465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56435429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410866 + ... + 1410905.

It is an arithmetic number, because the mean of its divisors is an integer number (9876202).

Almost surely, 2^56435420 is an apocalyptic number.

It is an amenable number.

56435420 is an abundant number, since it is smaller than the sum of its proper divisors (62079004).

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

56435420 is a wasteful number, since it uses less digits than its factorization.

56435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821780 (or 2821778 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 56435420 is about 7512.3511632511. The cubic root of 56435420 is about 383.5752591741.

Adding to 56435420 its reverse (2453465), we get a palindrome (58888885).

The spelling of 56435420 in words is "fifty-six million, four hundred thirty-five thousand, four hundred twenty".