55435420001 has 16 divisors (see below), whose sum is σ = 59822509824. Its totient is φ = 51066009984.

The previous prime is 55435419961. The next prime is 55435420009. The reversal of 55435420001 is 10002453455.

It is a cyclic number.

It is not a de Polignac number, because 55435420001 - 2¹⁸ = 55435157857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55435420009) 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, 17018765 + ... + 17022021.

It is an arithmetic number, because the mean of its divisors is an integer number (3738906864).

Almost surely, 2^55435420001 is an apocalyptic number.

It is an amenable number.

55435420001 is a deficient number, since it is larger than the sum of its proper divisors (4387089823).

55435420001 is a wasteful number, since it uses less digits than its factorization.

55435420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 55435420001 its reverse (10002453455), we get a palindrome (65437873456).

The spelling of 55435420001 in words is "fifty-five billion, four hundred thirty-five million, four hundred twenty thousand, one".