55451225513 has 8 divisors (see below), whose sum is σ = 56287190400. Its totient is φ = 54618612048.

The previous prime is 55451225503. The next prime is 55451225537. The reversal of 55451225513 is 31552215455.

55451225513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55451225513 - 2⁶ = 55451225449 is a prime.

It is a super-2 number, since 2×55451225513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55451225503) 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, 804506 + ... + 870707.

It is an arithmetic number, because the mean of its divisors is an integer number (7035898800).

Almost surely, 2^55451225513 is an apocalyptic number.

It is an amenable number.

55451225513 is a deficient number, since it is larger than the sum of its proper divisors (835964887).

55451225513 is a wasteful number, since it uses less digits than its factorization.

55451225513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675711.

The product of its digits is 150000, while the sum is 38.

The spelling of 55451225513 in words is "fifty-five billion, four hundred fifty-one million, two hundred twenty-five thousand, five hundred thirteen".