55552541451 has 16 divisors (see below), whose sum is σ = 81711607680. Its totient is φ = 33289910720.

The previous prime is 55552541423. The next prime is 55552541509. The reversal of 55552541451 is 15414525555.

It is a happy number.

It is not a de Polignac number, because 55552541451 - 2⁵ = 55552541419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55552541651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9454425 + ... + 9460298.

It is an arithmetic number, because the mean of its divisors is an integer number (5106975480).

Almost surely, 2^55552541451 is an apocalyptic number.

55552541451 is a deficient number, since it is larger than the sum of its proper divisors (26159066229).

55552541451 is a wasteful number, since it uses less digits than its factorization.

55552541451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914826.

The product of its digits is 500000, while the sum is 42.

The spelling of 55552541451 in words is "fifty-five billion, five hundred fifty-two million, five hundred forty-one thousand, four hundred fifty-one".