55761646 has 8 divisors (see below), whose sum is σ = 85422240. Its totient is φ = 27287568.

The previous prime is 55761631. The next prime is 55761661. The reversal of 55761646 is 64616755.

It is an interprime number because it is at equal distance from previous prime (55761631) and next prime (55761661).

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

It is a super-2 number, since 2×55761646² = 6218722329258632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55761599 and 55761608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296511 + ... + 296698.

It is an arithmetic number, because the mean of its divisors is an integer number (10677780).

Almost surely, 2^55761646 is an apocalyptic number.

55761646 is a deficient number, since it is larger than the sum of its proper divisors (29660594).

55761646 is a wasteful number, since it uses less digits than its factorization.

55761646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593258.

The product of its digits is 151200, while the sum is 40.

The square root of 55761646 is about 7467.3720946528. The cubic root of 55761646 is about 382.0426612808.

The spelling of 55761646 in words is "fifty-five million, seven hundred sixty-one thousand, six hundred forty-six".