55997435 has 8 divisors (see below), whose sum is σ = 72366000. Its totient is φ = 41351904.

The previous prime is 55997429. The next prime is 55997437. The reversal of 55997435 is 53479955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55997435 - 2⁴ = 55997419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55997435.

It is not an unprimeable number, because it can be changed into a prime (55997437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430685 + ... + 430814.

It is an arithmetic number, because the mean of its divisors is an integer number (9045750).

Almost surely, 2^55997435 is an apocalyptic number.

55997435 is a deficient number, since it is larger than the sum of its proper divisors (16368565).

55997435 is a wasteful number, since it uses less digits than its factorization.

55997435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861517.

The product of its digits is 850500, while the sum is 47.

The square root of 55997435 is about 7483.1433903140. The cubic root of 55997435 is about 382.5803951933.

The spelling of 55997435 in words is "fifty-five million, nine hundred ninety-seven thousand, four hundred thirty-five".