55539723100 has 36 divisors (see below), whose sum is σ = 120878902144. Its totient is φ = 22149953280.

The previous prime is 55539723077. The next prime is 55539723103. The reversal of 55539723100 is 132793555.

It is a super-2 number, since 2×55539723100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55539723103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790332 + ... + 857731.

Almost surely, 2^55539723100 is an apocalyptic number.

55539723100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55539723100 is an abundant number, since it is smaller than the sum of its proper divisors (65339179044).

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

55539723100 is a wasteful number, since it uses less digits than its factorization.

55539723100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648414 (or 1648407 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 40.

The spelling of 55539723100 in words is "fifty-five billion, five hundred thirty-nine million, seven hundred twenty-three thousand, one hundred".