55147701 has 16 divisors (see below), whose sum is σ = 84904064. Its totient is φ = 31186944.

The previous prime is 55147679. The next prime is 55147733. The reversal of 55147701 is 10774155.

It is not a de Polignac number, because 55147701 - 2⁶ = 55147637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55147601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11500 + ... + 15573.

It is an arithmetic number, because the mean of its divisors is an integer number (5306504).

Almost surely, 2^55147701 is an apocalyptic number.

It is an amenable number.

55147701 is a deficient number, since it is larger than the sum of its proper divisors (29756363).

55147701 is a wasteful number, since it uses less digits than its factorization.

55147701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 55147701 is about 7426.1498099621. The cubic root of 55147701 is about 380.6353659672.

The spelling of 55147701 in words is "fifty-five million, one hundred forty-seven thousand, seven hundred one".