55547046 has 40 divisors (see below), whose sum is σ = 127517544. Its totient is φ = 18061920.

The previous prime is 55546999. The next prime is 55547057. The reversal of 55547046 is 64074555.

It is a happy number.

It is a super-2 number, since 2×55547046² = 6170948638652232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55547046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2461 + ... + 10823.

Almost surely, 2^55547046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55547046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63758772).

55547046 is an abundant number, since it is smaller than the sum of its proper divisors (71970498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55547046 is a wasteful number, since it uses less digits than its factorization.

55547046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418 (or 8409 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 55547046 is about 7452.9890647981. The cubic root of 55547046 is about 381.5519311708.

The spelling of 55547046 in words is "fifty-five million, five hundred forty-seven thousand, forty-six".