55011204451 has 16 divisors (see below), whose sum is σ = 67561744896. Its totient is φ = 43716410496.

The previous prime is 55011204449. The next prime is 55011204461. The reversal of 55011204451 is 15440211055.

It is a cyclic number.

It is not a de Polignac number, because 55011204451 - 2¹ = 55011204449 is a prime.

It is a super-2 number, since 2×55011204451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55011204401) 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, 3441871 + ... + 3457816.

It is an arithmetic number, because the mean of its divisors is an integer number (4222609056).

Almost surely, 2^55011204451 is an apocalyptic number.

55011204451 is a deficient number, since it is larger than the sum of its proper divisors (12550540445).

55011204451 is a wasteful number, since it uses less digits than its factorization.

55011204451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899778.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 55011204451 in words is "fifty-five billion, eleven million, two hundred four thousand, four hundred fifty-one".