555617227842 has 32 divisors (see below), whose sum is σ = 1274534146560. Its totient is φ = 179231363280.

The previous prime is 555617227819. The next prime is 555617227853. The reversal of 555617227842 is 248722716555.

It is a happy number.

555617227842 is a `hidden beast` number, since 5 + 5 + 561 + 7 + 2 + 2 + 78 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165953293 + ... + 165956640.

It is an arithmetic number, because the mean of its divisors is an integer number (39829192080).

Almost surely, 2^555617227842 is an apocalyptic number.

555617227842 is an abundant number, since it is smaller than the sum of its proper divisors (718916918718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555617227842 is a wasteful number, since it uses less digits than its factorization.

555617227842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331909975 (or 331909969 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 555617227842 in words is "five hundred fifty-five billion, six hundred seventeen million, two hundred twenty-seven thousand, eight hundred forty-two".