55312267642451 has 8 divisors (see below), whose sum is σ = 56357221504320. Its totient is φ = 54267362898112.

The previous prime is 55312267642399. The next prime is 55312267642469. The reversal of 55312267642451 is 15424676221355.

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 55312267642451 - 2¹⁴ = 55312267626067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55312267642393 and 55312267642402.

It is not an unprimeable number, because it can be changed into a prime (55312267642651) 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, 10001915 + ... + 14514228.

It is an arithmetic number, because the mean of its divisors is an integer number (7044652688040).

Almost surely, 2^{55312267642451} is an apocalyptic number.

55312267642451 is a deficient number, since it is larger than the sum of its proper divisors (1044953861869).

55312267642451 is a wasteful number, since it uses less digits than its factorization.

55312267642451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558765.

The product of its digits is 12096000, while the sum is 53.

The spelling of 55312267642451 in words is "fifty-five trillion, three hundred twelve billion, two hundred sixty-seven million, six hundred forty-two thousand, four hundred fifty-one".