55377147 has 16 divisors (see below), whose sum is σ = 84706560. Its totient is φ = 31523232.

The previous prime is 55377137. The next prime is 55377149. The reversal of 55377147 is 74177355.

It is not a de Polignac number, because 55377147 - 2¹⁴ = 55360763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55377149) 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, 748 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (5294160).

Almost surely, 2^55377147 is an apocalyptic number.

55377147 is a deficient number, since it is larger than the sum of its proper divisors (29329413).

55377147 is a wasteful number, since it uses less digits than its factorization.

55377147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082.

The product of its digits is 102900, while the sum is 39.

The square root of 55377147 is about 7441.5822914216. The cubic root of 55377147 is about 381.1625225439.

The spelling of 55377147 in words is "fifty-five million, three hundred seventy-seven thousand, one hundred forty-seven".