55121433415 has 8 divisors (see below), whose sum is σ = 66266647920. Its totient is φ = 44016528192.

The previous prime is 55121433413. The next prime is 55121433457. The reversal of 55121433415 is 51433412155.

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 55121433415 - 2¹ = 55121433413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121433413) 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, 10074310 + ... + 10079779.

It is an arithmetic number, because the mean of its divisors is an integer number (8283330990).

Almost surely, 2^55121433415 is an apocalyptic number.

55121433415 is a deficient number, since it is larger than the sum of its proper divisors (11145214505).

55121433415 is a wasteful number, since it uses less digits than its factorization.

55121433415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20154641.

The product of its digits is 36000, while the sum is 34.

The spelling of 55121433415 in words is "fifty-five billion, one hundred twenty-one million, four hundred thirty-three thousand, four hundred fifteen".