55665016552 has 8 divisors (see below), whose sum is σ = 104371906050. Its totient is φ = 27832508272.

The previous prime is 55665016531. The next prime is 55665016573. The reversal of 55665016552 is 25561056655.

It is an interprime number because it is at equal distance from previous prime (55665016531) and next prime (55665016573).

It can be written as a sum of positive squares in only one way, i.e., 50843936196 + 4821080356 = 225486^2 + 69434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479063527 + ... + 3479063542.

Almost surely, 2^55665016552 is an apocalyptic number.

It is an amenable number.

55665016552 is a deficient number, since it is larger than the sum of its proper divisors (48706889498).

55665016552 is a wasteful number, since it uses less digits than its factorization.

55665016552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958127075 (or 6958127071 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 55665016552 in words is "fifty-five billion, six hundred sixty-five million, sixteen thousand, five hundred fifty-two".