55747150 has 12 divisors (see below), whose sum is σ = 103689792. Its totient is φ = 22298840.

The previous prime is 55747103. The next prime is 55747163. The reversal of 55747150 is 5174755.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557422 + ... + 557521.

It is an arithmetic number, because the mean of its divisors is an integer number (8640816).

Almost surely, 2^55747150 is an apocalyptic number.

55747150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55747150 is a deficient number, since it is larger than the sum of its proper divisors (47942642).

55747150 is a wasteful number, since it uses less digits than its factorization.

55747150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114955 (or 1114950 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 55747150 is about 7466.4014089788. The cubic root of 55747150 is about 382.0095526791.

The spelling of 55747150 in words is "fifty-five million, seven hundred forty-seven thousand, one hundred fifty".