55240701669 has 24 divisors (see below), whose sum is σ = 86261766240. Its totient is φ = 33945918048.

The previous prime is 55240701643. The next prime is 55240701679. The reversal of 55240701669 is 96610704255.

It is not a de Polignac number, because 55240701669 - 2⁸ = 55240701413 is a prime.

It is a super-2 number, since 2×55240701669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55240701679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4359147 + ... + 4371800.

It is an arithmetic number, because the mean of its divisors is an integer number (3594240260).

Almost surely, 2^55240701669 is an apocalyptic number.

It is an amenable number.

55240701669 is a deficient number, since it is larger than the sum of its proper divisors (31021064571).

55240701669 is a wasteful number, since it uses less digits than its factorization.

55240701669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731009 (or 8731006 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 55240701669 in words is "fifty-five billion, two hundred forty million, seven hundred one thousand, six hundred sixty-nine".