5617421955 has 64 divisors (see below), whose sum is σ = 10292065920. Its totient is φ = 2904864768.

The previous prime is 5617421933. The next prime is 5617421969. The reversal of 5617421955 is 5591247165.

It is a happy number.

5617421955 is a `hidden beast` number, since 5 + 617 + 4 + 21 + 9 + 5 + 5 = 666.

It is not a de Polignac number, because 5617421955 - 2⁵ = 5617421923 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5617421955.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1561639 + ... + 1565231.

It is an arithmetic number, because the mean of its divisors is an integer number (160813530).

Almost surely, 2^5617421955 is an apocalyptic number.

5617421955 is a deficient number, since it is larger than the sum of its proper divisors (4674643965).

5617421955 is a wasteful number, since it uses less digits than its factorization.

5617421955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957 (or 3951 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 5617421955 is about 74949.4626731907. The cubic root of 5617421955 is about 1777.6476474765.

The spelling of 5617421955 in words is "five billion, six hundred seventeen million, four hundred twenty-one thousand, nine hundred fifty-five".