55520435 has 12 divisors (see below), whose sum is σ = 67206384. Its totient is φ = 44031600.

The previous prime is 55520401. The next prime is 55520441. The reversal of 55520435 is 53402555.

It is a happy number.

It is not a de Polignac number, because 55520435 - 2¹⁴ = 55504051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55520398 and 55520407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113762 + ... + 114248.

It is an arithmetic number, because the mean of its divisors is an integer number (5600532).

Almost surely, 2^55520435 is an apocalyptic number.

55520435 is a deficient number, since it is larger than the sum of its proper divisors (11685949).

55520435 is an equidigital number, since it uses as much as digits as its factorization.

55520435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55520435 is about 7451.2035940511. The cubic root of 55520435 is about 381.4909912348.

It can be divided in two parts, 55520 and 435, that added together give a palindrome (55955).

The spelling of 55520435 in words is "fifty-five million, five hundred twenty thousand, four hundred thirty-five".