55001436 has 24 divisors (see below), whose sum is σ = 146670720. Its totient is φ = 15714672.

The previous prime is 55001431. The next prime is 55001473. The reversal of 55001436 is 63410055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001431) 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, 327306 + ... + 327473.

It is an arithmetic number, because the mean of its divisors is an integer number (6111280).

Almost surely, 2^55001436 is an apocalyptic number.

It is an amenable number.

55001436 is an abundant number, since it is smaller than the sum of its proper divisors (91669284).

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

55001436 is a wasteful number, since it uses less digits than its factorization.

55001436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654793 (or 654791 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55001436 is about 7416.2953015640. The cubic root of 55001436 is about 380.2985557684.

The spelling of 55001436 in words is "fifty-five million, one thousand, four hundred thirty-six".