55415153540 has 48 divisors (see below), whose sum is σ = 120796268544. Its totient is φ = 21338774400.

The previous prime is 55415153539. The next prime is 55415153567. The reversal of 55415153540 is 4535151455.

It is a junction number, because it is equal to n+sod(n) for n = 55415153494 and 55415153503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425876 + ... + 540555.

It is an arithmetic number, because the mean of its divisors is an integer number (2516588928).

Almost surely, 2^55415153540 is an apocalyptic number.

It is an amenable number.

55415153540 is an abundant number, since it is smaller than the sum of its proper divisors (65381115004).

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

55415153540 is a wasteful number, since it uses less digits than its factorization.

55415153540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966548 (or 966546 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 55415153540 in words is "fifty-five billion, four hundred fifteen million, one hundred fifty-three thousand, five hundred forty".