56556435 has 16 divisors (see below), whose sum is σ = 97451424. Its totient is φ = 27843072.

The previous prime is 56556427. The next prime is 56556439. The reversal of 56556435 is 53465565.

56556435 = 1099² + 1100² + ... + 1143².

It is not a de Polignac number, because 56556435 - 2³ = 56556427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

56556435 is a modest number, since divided by 6435 gives 5655 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 56556393 and 56556402.

It is not an unprimeable number, because it can be changed into a prime (56556439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144822 + ... + 145211.

It is an arithmetic number, because the mean of its divisors is an integer number (6090714).

Almost surely, 2^56556435 is an apocalyptic number.

56556435 is a deficient number, since it is larger than the sum of its proper divisors (40894989).

56556435 is a wasteful number, since it uses less digits than its factorization.

56556435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290054.

The product of its digits is 270000, while the sum is 39.

The square root of 56556435 is about 7520.4012525928. The cubic root of 56556435 is about 383.8492314479.

It can be divided in two parts, 5655 and 6435, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 56556435 in words is "fifty-six million, five hundred fifty-six thousand, four hundred thirty-five".