55669955451 has 8 divisors (see below), whose sum is σ = 80974480704. Its totient is φ = 33739366920.

The previous prime is 55669955381. The next prime is 55669955459. The reversal of 55669955451 is 15455996655.

It is a happy number.

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

It is not a de Polignac number, because 55669955451 - 2¹³ = 55669947259 is a prime.

It is a super-2 number, since 2×55669955451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55669955459) 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, 843484141 + ... + 843484206.

It is an arithmetic number, because the mean of its divisors is an integer number (10121810088).

Almost surely, 2^55669955451 is an apocalyptic number.

55669955451 is a deficient number, since it is larger than the sum of its proper divisors (25304525253).

55669955451 is a wasteful number, since it uses less digits than its factorization.

55669955451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686968361.

The product of its digits is 36450000, while the sum is 60.

The spelling of 55669955451 in words is "fifty-five billion, six hundred sixty-nine million, nine hundred fifty-five thousand, four hundred fifty-one".