55623435 has 16 divisors (see below), whose sum is σ = 101711616. Its totient is φ = 25427808.

The previous prime is 55623409. The next prime is 55623437. The reversal of 55623435 is 53432655.

It is not a de Polignac number, because 55623435 - 2⁷ = 55623307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55623396 and 55623405.

It is not an unprimeable number, because it can be changed into a prime (55623437) 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, 264769 + ... + 264978.

It is an arithmetic number, because the mean of its divisors is an integer number (6356976).

Almost surely, 2^55623435 is an apocalyptic number.

55623435 is a deficient number, since it is larger than the sum of its proper divisors (46088181).

55623435 is a wasteful number, since it uses less digits than its factorization.

55623435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529762.

The product of its digits is 54000, while the sum is 33.

The square root of 55623435 is about 7458.1120265118. The cubic root of 55623435 is about 381.7267560682.

The spelling of 55623435 in words is "fifty-five million, six hundred twenty-three thousand, four hundred thirty-five".