55751758722 has 48 divisors (see below), whose sum is σ = 131794827840. Its totient is φ = 16892172000.

The previous prime is 55751758721. The next prime is 55751758739. The reversal of 55751758722 is 22785715755.

It is a happy number.

55751758722 is a `hidden beast` number, since 5 + 5 + 7 + 51 + 7 + 587 + 2 + 2 = 666.

It is a super-2 number, since 2×55751758722² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55751758721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1946179 + ... + 1974617.

It is an arithmetic number, because the mean of its divisors is an integer number (2745725580).

Almost surely, 2^55751758722 is an apocalyptic number.

55751758722 is an abundant number, since it is smaller than the sum of its proper divisors (76043069118).

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

55751758722 is a wasteful number, since it uses less digits than its factorization.

55751758722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38359 (or 38356 counting only the distinct ones).

The product of its digits is 6860000, while the sum is 54.

The spelling of 55751758722 in words is "fifty-five billion, seven hundred fifty-one million, seven hundred fifty-eight thousand, seven hundred twenty-two".