55151633758 has 16 divisors (see below), whose sum is σ = 89181773856. Its totient is φ = 25428693600.

The previous prime is 55151633731. The next prime is 55151633777. The reversal of 55151633758 is 85733615155.

It is a congruent number.

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, 1053393 + ... + 1104508.

It is an arithmetic number, because the mean of its divisors is an integer number (5573860866).

Almost surely, 2^55151633758 is an apocalyptic number.

55151633758 is a deficient number, since it is larger than the sum of its proper divisors (34030140098).

55151633758 is a wasteful number, since it uses less digits than its factorization.

55151633758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158899.

The product of its digits is 1890000, while the sum is 49.

The spelling of 55151633758 in words is "fifty-five billion, one hundred fifty-one million, six hundred thirty-three thousand, seven hundred fifty-eight".