55253784501 has 16 divisors (see below), whose sum is σ = 82843696320. Its totient is φ = 36392049360.

The previous prime is 55253784491. The next prime is 55253784533. The reversal of 55253784501 is 10548735255.

55253784501 is a `hidden beast` number, since 5 + 525 + 3 + 78 + 4 + 50 + 1 = 666.

It is not a de Polignac number, because 55253784501 - 2¹⁴ = 55253768117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253784541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12325690 + ... + 12330171.

It is an arithmetic number, because the mean of its divisors is an integer number (5177731020).

Almost surely, 2^55253784501 is an apocalyptic number.

It is an amenable number.

55253784501 is a deficient number, since it is larger than the sum of its proper divisors (27589911819).

55253784501 is a wasteful number, since it uses less digits than its factorization.

55253784501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24655953 (or 24655947 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 55253784501 in words is "fifty-five billion, two hundred fifty-three million, seven hundred eighty-four thousand, five hundred one".