55129401652 has 24 divisors (see below), whose sum is σ = 103964515200. Its totient is φ = 25427980896.

The previous prime is 55129401647. The next prime is 55129401653. The reversal of 55129401652 is 25610492155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55129401653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258952 + ... + 421087.

It is an arithmetic number, because the mean of its divisors is an integer number (4331854800).

Almost surely, 2^55129401652 is an apocalyptic number.

55129401652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55129401652 is a deficient number, since it is larger than the sum of its proper divisors (48835113548).

55129401652 is a wasteful number, since it uses less digits than its factorization.

55129401652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681615 (or 681613 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 55129401652 in words is "fifty-five billion, one hundred twenty-nine million, four hundred one thousand, six hundred fifty-two".