55653240510 has 512 divisors, whose sum is σ = 186549350400. Its totient is φ = 11517050880.

The previous prime is 55653240509. The next prime is 55653240529. The reversal of 55653240510 is 1504235655.

55653240510 is a `hidden beast` number, since 5 + 56 + 53 + 2 + 40 + 510 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 109338136 + ... + 109338644.

It is an arithmetic number, because the mean of its divisors is an integer number (364354200).

Almost surely, 2^55653240510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55653240510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93274675200).

55653240510 is an abundant number, since it is smaller than the sum of its proper divisors (130896109890).

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

55653240510 is a wasteful number, since it uses less digits than its factorization.

55653240510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 55653240510 in words is "fifty-five billion, six hundred fifty-three million, two hundred forty thousand, five hundred ten".