54991651750 has 64 divisors (see below), whose sum is σ = 121446014976. Its totient is φ = 18246060000.

The previous prime is 54991651739. The next prime is 54991651751. The reversal of 54991651750 is 5715619945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54991651751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452586 + ... + 561085.

It is an arithmetic number, because the mean of its divisors is an integer number (1897593984).

Almost surely, 2^54991651750 is an apocalyptic number.

54991651750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54991651750 is an abundant number, since it is smaller than the sum of its proper divisors (66454363226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54991651750 is a wasteful number, since it uses less digits than its factorization.

54991651750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013726 (or 1013716 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 54991651750 in words is "fifty-four billion, nine hundred ninety-one million, six hundred fifty-one thousand, seven hundred fifty".