55453513555 has 16 divisors (see below), whose sum is σ = 72698796288. Its totient is φ = 40271436000.

The previous prime is 55453513541. The next prime is 55453513571. The reversal of 55453513555 is 55531535455.

It is a de Polignac number, because none of the positive numbers 2^k-55453513555 is a prime.

It is a Duffinian number.

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, 691551 + ... + 767560.

It is an arithmetic number, because the mean of its divisors is an integer number (4543674768).

Almost surely, 2^55453513555 is an apocalyptic number.

55453513555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55453513555 is a deficient number, since it is larger than the sum of its proper divisors (17245282733).

55453513555 is a wasteful number, since it uses less digits than its factorization.

55453513555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459818.

The product of its digits is 2812500, while the sum is 46.

The spelling of 55453513555 in words is "fifty-five billion, four hundred fifty-three million, five hundred thirteen thousand, five hundred fifty-five".