55740637 has 8 divisors (see below), whose sum is σ = 60276096. Its totient is φ = 51344832.

The previous prime is 55740589. The next prime is 55740673. The reversal of 55740637 is 73604755.

55740637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55740637 - 2²³ = 47352029 is a prime.

It is a super-2 number, since 2×55740637² = 6214037226331538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55740596 and 55740605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34083 + ... + 35680.

It is an arithmetic number, because the mean of its divisors is an integer number (7534512).

Almost surely, 2^55740637 is an apocalyptic number.

It is an amenable number.

55740637 is a deficient number, since it is larger than the sum of its proper divisors (4535459).

55740637 is a wasteful number, since it uses less digits than its factorization.

55740637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69827.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 55740637 is about 7465.9652423515. The cubic root of 55740637 is about 381.9946752362.

The spelling of 55740637 in words is "fifty-five million, seven hundred forty thousand, six hundred thirty-seven".