55493347 has 24 divisors (see below), whose sum is σ = 69891360. Its totient is φ = 43130880.

The previous prime is 55493329. The next prime is 55493351. The reversal of 55493347 is 74339455.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55493347 is a prime.

It is a super-2 number, since 2×55493347² = 6159023122524818, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55493047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71779 + ... + 72547.

It is an arithmetic number, because the mean of its divisors is an integer number (2912140).

Almost surely, 2^55493347 is an apocalyptic number.

55493347 is a deficient number, since it is larger than the sum of its proper divisors (14398013).

55493347 is a wasteful number, since it uses less digits than its factorization.

55493347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 850 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 55493347 is about 7449.3856793698. The cubic root of 55493347 is about 381.4289389530.

The spelling of 55493347 in words is "fifty-five million, four hundred ninety-three thousand, three hundred forty-seven".