55047555040 has 48 divisors (see below), whose sum is σ = 130063957632. Its totient is φ = 22016633344.

The previous prime is 55047555029. The next prime is 55047555049. The reversal of 55047555040 is 4055574055.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 55047554984 and 55047555002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55047555049) 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, 2646762 + ... + 2667478.

It is an arithmetic number, because the mean of its divisors is an integer number (2709665784).

Almost surely, 2^55047555040 is an apocalyptic number.

It is an amenable number.

55047555040 is an abundant number, since it is smaller than the sum of its proper divisors (75016402592).

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

55047555040 is a wasteful number, since it uses less digits than its factorization.

55047555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37339 (or 37331 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 40.

The spelling of 55047555040 in words is "fifty-five billion, forty-seven million, five hundred fifty-five thousand, forty".