55469709240 has 128 divisors (see below), whose sum is σ = 183577363200. Its totient is φ = 13296081920.

The previous prime is 55469709223. The next prime is 55469709257. The reversal of 55469709240 is 4290796455.

It is an interprime number because it is at equal distance from previous prime (55469709223) and next prime (55469709257).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118602 + ... + 353561.

It is an arithmetic number, because the mean of its divisors is an integer number (1434198150).

Almost surely, 2^55469709240 is an apocalyptic number.

It is an amenable number.

55469709240 is an abundant number, since it is smaller than the sum of its proper divisors (128107653960).

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

55469709240 is a wasteful number, since it uses less digits than its factorization.

55469709240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472277 (or 472273 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 55469709240 in words is "fifty-five billion, four hundred sixty-nine million, seven hundred nine thousand, two hundred forty".