55416291780530 has 32 divisors (see below), whose sum is σ = 102541809014640. Its totient is φ = 21547094065920.

The previous prime is 55416291780529. The next prime is 55416291780581. The reversal of 55416291780530 is 3508719261455.

It can be written as a sum of positive squares in 8 ways, for example, as 41449530773161 + 13966761007369 = 6438131^2 + 3737213^2 .

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, 70188845 + ... + 70973984.

It is a 1-persistent number, because it is pandigital, but 2⋅55416291780530 = 110832583561060 is not.

Almost surely, 2^{55416291780530} is an apocalyptic number.

55416291780530 is a deficient number, since it is larger than the sum of its proper divisors (47125517234110).

55416291780530 is a wasteful number, since it uses less digits than its factorization.

55416291780530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141163934.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 55416291780530 in words is "fifty-five trillion, four hundred sixteen billion, two hundred ninety-one million, seven hundred eighty thousand, five hundred thirty".