55552923949 has 4 divisors (see below), whose sum is σ = 57054354364. Its totient is φ = 54051493536.

The previous prime is 55552923947. The next prime is 55552923961. The reversal of 55552923949 is 94932925555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22213815849 + 33339108100 = 149043^2 + 182590^2 .

It is a cyclic number.

It is not a de Polignac number, because 55552923949 - 2¹ = 55552923947 is a prime.

It is a super-2 number, since 2×55552923949² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55552923893 and 55552923902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552923947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750715152 + ... + 750715225.

It is an arithmetic number, because the mean of its divisors is an integer number (14263588591).

Almost surely, 2^55552923949 is an apocalyptic number.

It is an amenable number.

55552923949 is a deficient number, since it is larger than the sum of its proper divisors (1501430415).

55552923949 is a wasteful number, since it uses less digits than its factorization.

55552923949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501430414.

The product of its digits is 21870000, while the sum is 58.

The spelling of 55552923949 in words is "fifty-five billion, five hundred fifty-two million, nine hundred twenty-three thousand, nine hundred forty-nine".