55515245433 has 8 divisors (see below), whose sum is σ = 75416937408. Its totient is φ = 36311858544.

The previous prime is 55515245393. The next prime is 55515245449. The reversal of 55515245433 is 33454251555.

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

It is not a de Polignac number, because 55515245433 - 2¹⁰ = 55515244409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55515245473) 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, 174576085 + ... + 174576402.

It is an arithmetic number, because the mean of its divisors is an integer number (9427117176).

Almost surely, 2^55515245433 is an apocalyptic number.

55515245433 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55515245433 is a deficient number, since it is larger than the sum of its proper divisors (19901691975).

55515245433 is a wasteful number, since it uses less digits than its factorization.

55515245433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349152543.

The product of its digits is 900000, while the sum is 42.

Adding to 55515245433 its reverse (33454251555), we get a palindrome (88969496988).

The spelling of 55515245433 in words is "fifty-five billion, five hundred fifteen million, two hundred forty-five thousand, four hundred thirty-three".