55902237653 has 12 divisors (see below), whose sum is σ = 57036903588. Its totient is φ = 54789720960.

The previous prime is 55902237649. The next prime is 55902237667. The reversal of 55902237653 is 35673220955.

It can be written as a sum of positive squares in 6 ways, for example, as 22547424964 + 33354812689 = 150158^2 + 182633^2 .

It is not a de Polignac number, because 55902237653 - 2² = 55902237649 is a prime.

It is a super-3 number, since 3×55902237653³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55902237598 and 55902237607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55902234653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2790593 + ... + 2810553.

It is an arithmetic number, because the mean of its divisors is an integer number (4753075299).

Almost surely, 2^55902237653 is an apocalyptic number.

55902237653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55902237653 is a deficient number, since it is larger than the sum of its proper divisors (1134665935).

55902237653 is an equidigital number, since it uses as much as digits as its factorization.

55902237653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064 (or 21011 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 55902237653 in words is "fifty-five billion, nine hundred two million, two hundred thirty-seven thousand, six hundred fifty-three".