5555021156 has 24 divisors (see below), whose sum is σ = 9774983736. Its totient is φ = 2762208000.

The previous prime is 5555021141. The next prime is 5555021179. The reversal of 5555021156 is 6511205555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 226021156 + 5329000000 = 15034^2 + 73000^2 .

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, 612656 + ... + 621656.

It is an arithmetic number, because the mean of its divisors is an integer number (407290989).

Almost surely, 2^5555021156 is an apocalyptic number.

It is an amenable number.

5555021156 is a deficient number, since it is larger than the sum of its proper divisors (4219962580).

5555021156 is a wasteful number, since it uses less digits than its factorization.

5555021156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839 (or 9837 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The square root of 5555021156 is about 74532.0143025801. The cubic root of 5555021156 is about 1771.0408250567.

The spelling of 5555021156 in words is "five billion, five hundred fifty-five million, twenty-one thousand, one hundred fifty-six".