55743506 has 32 divisors (see below), whose sum is σ = 104240640. Its totient is φ = 21767616.

The previous prime is 55743491. The next prime is 55743521. The reversal of 55743506 is 60534755.

It is an interprime number because it is at equal distance from previous prime (55743491) and next prime (55743521).

It is a super-2 number, since 2×55743506² = 6214676922344072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12440 + ... + 16316.

It is an arithmetic number, because the mean of its divisors is an integer number (3257520).

Almost surely, 2^55743506 is an apocalyptic number.

55743506 is a deficient number, since it is larger than the sum of its proper divisors (48497134).

55743506 is a wasteful number, since it uses less digits than its factorization.

55743506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 55743506 is about 7466.1573784645. The cubic root of 55743506 is about 382.0012289463.

The spelling of 55743506 in words is "fifty-five million, seven hundred forty-three thousand, five hundred six".