55230520045 has 8 divisors (see below), whose sum is σ = 66280554360. Its totient is φ = 44181795840.

The previous prime is 55230520001. The next prime is 55230520087. The reversal of 55230520045 is 54002503255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 810028521 + 54420491524 = 28461^2 + 233282^2 .

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

It is not a de Polignac number, because 55230520045 - 2³¹ = 53083036397 is a prime.

It is a super-2 number, since 2×55230520045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55230519989 and 55230520016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232260 + ... + 405469.

It is an arithmetic number, because the mean of its divisors is an integer number (8285069295).

Almost surely, 2^55230520045 is an apocalyptic number.

It is an amenable number.

55230520045 is a deficient number, since it is larger than the sum of its proper divisors (11050034315).

55230520045 is a wasteful number, since it uses less digits than its factorization.

55230520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655055.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 55230520045 in words is "fifty-five billion, two hundred thirty million, five hundred twenty thousand, forty-five".