55919737 has 8 divisors (see below), whose sum is σ = 58160960. Its totient is φ = 53721360.

The previous prime is 55919711. The next prime is 55919791. The reversal of 55919737 is 73791955.

It is a happy number.

55919737 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 55919737 - 2⁷ = 55919609 is a prime.

It is a super-2 number, since 2×55919737² = 6254033972298338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55914737) 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, 8037 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (7270120).

Almost surely, 2^55919737 is an apocalyptic number.

It is an amenable number.

55919737 is a deficient number, since it is larger than the sum of its proper divisors (2241223).

55919737 is a wasteful number, since it uses less digits than its factorization.

55919737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21423.

The product of its digits is 297675, while the sum is 46.

The square root of 55919737 is about 7477.9500533234. The cubic root of 55919737 is about 382.4033663075.

The spelling of 55919737 in words is "fifty-five million, nine hundred nineteen thousand, seven hundred thirty-seven".