55371010040 has 32 divisors (see below), whose sum is σ = 127623429360. Its totient is φ = 21608198400.

The previous prime is 55371010039. The next prime is 55371010073. The reversal of 55371010040 is 4001017355.

It is a junction number, because it is equal to n+sod(n) for n = 55371009991 and 55371010009.

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, 16879766 + ... + 16883045.

Almost surely, 2^55371010040 is an apocalyptic number.

It is an amenable number.

55371010040 is an abundant number, since it is smaller than the sum of its proper divisors (72252419320).

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

55371010040 is a wasteful number, since it uses less digits than its factorization.

55371010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33762863 (or 33762859 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 55371010040 its reverse (4001017355), we get a palindrome (59372027395).

The spelling of 55371010040 in words is "fifty-five billion, three hundred seventy-one million, ten thousand, forty".